Search
Find a vulnerability
Search criteria
ⓘ
Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.
6 vulnerabilities found for EWWW Image Optimizer by Unknown
CVE-2026-91072 (GCVE-0-2026-91072)
Vulnerability from nvd – Published: 2026-09-30 06:00 – Updated: 2026-09-30 13:37
VLAI
EPSS
VEX
Title
EWWW Image Optimizer < 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path in WebP Migration Handler
Summary
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site's own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:23 UTC
CWE
- CWE-73 External Control of File Name or Path
- CWE-73 - External Control of File Name or Path
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/c77770c5-d1af-47… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
0 , < 8.8.0
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91072",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T13:23:17.692335Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-73",
"description": "CWE-73 External Control of File Name or Path",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T13:37:22.035Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.8.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Karthik Ramakrishnan"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site\u0027s own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-73 External Control of File Name or Path",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T06:00:24.712Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/c77770c5-d1af-47f6-9aee-a50d4a919732/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer \u003c 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path in WebP Migration Handler",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91072",
"datePublished": "2026-09-30T06:00:24.712Z",
"dateReserved": "2026-09-14T17:15:38.777Z",
"dateUpdated": "2026-09-30T13:37:22.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-91051 (GCVE-0-2026-91051)
Vulnerability from nvd – Published: 2026-09-30 06:00 – Updated: 2026-09-30 13:37
VLAI
EPSS
VEX
Title
EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings' Post Meta
Summary
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or .
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:23 UTC
CWE
- CWE-502 Deserialization of Untrusted Data
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/e24a9497-8fb4-40… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
8.6.0 , < 8.8.0
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91051",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T13:23:29.745094Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-502",
"description": "CWE-502 Deserialization of Untrusted Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T13:37:22.160Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.8.0",
"status": "affected",
"version": "8.6.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Karthik"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or ."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-502 Deserialization of Untrusted Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T06:00:24.540Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/e24a9497-8fb4-4067-8421-194725455d55/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via \u0027eio_page_settings\u0027 Post Meta",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91051",
"datePublished": "2026-09-30T06:00:24.540Z",
"dateReserved": "2026-09-14T17:15:20.460Z",
"dateUpdated": "2026-09-30T13:37:22.160Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-91011 (GCVE-0-2026-91011)
Vulnerability from nvd – Published: 2026-09-17 06:00 – Updated: 2026-09-17 12:26
VLAI
EPSS
VEX
Title
EWWW Image Optimizer < 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion
Summary
The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 12:10 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/334f14d5-f97b-4e… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
0 , < 8.7.7
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91011",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-17T12:10:43.512611Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T12:26:09.671Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.7.7",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Artus KG"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Cross-Site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T06:00:13.250Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/334f14d5-f97b-4ec5-9b42-bb0803ae1668/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer \u003c 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91011",
"datePublished": "2026-09-17T06:00:13.250Z",
"dateReserved": "2026-09-14T16:12:49.896Z",
"dateUpdated": "2026-09-17T12:26:09.671Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-91072 (GCVE-0-2026-91072)
Vulnerability from cvelistv5 – Published: 2026-09-30 06:00 – Updated: 2026-09-30 13:37
VLAI
EPSS
VEX
Title
EWWW Image Optimizer < 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path in WebP Migration Handler
Summary
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site's own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:23 UTC
CWE
- CWE-73 External Control of File Name or Path
- CWE-73 - External Control of File Name or Path
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/c77770c5-d1af-47… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
0 , < 8.8.0
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91072",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T13:23:17.692335Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-73",
"description": "CWE-73 External Control of File Name or Path",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T13:37:22.035Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.8.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Karthik Ramakrishnan"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site\u0027s own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-73 External Control of File Name or Path",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T06:00:24.712Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/c77770c5-d1af-47f6-9aee-a50d4a919732/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer \u003c 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path in WebP Migration Handler",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91072",
"datePublished": "2026-09-30T06:00:24.712Z",
"dateReserved": "2026-09-14T17:15:38.777Z",
"dateUpdated": "2026-09-30T13:37:22.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-91051 (GCVE-0-2026-91051)
Vulnerability from cvelistv5 – Published: 2026-09-30 06:00 – Updated: 2026-09-30 13:37
VLAI
EPSS
VEX
Title
EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings' Post Meta
Summary
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or .
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:23 UTC
CWE
- CWE-502 Deserialization of Untrusted Data
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/e24a9497-8fb4-40… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
8.6.0 , < 8.8.0
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91051",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T13:23:29.745094Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-502",
"description": "CWE-502 Deserialization of Untrusted Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T13:37:22.160Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.8.0",
"status": "affected",
"version": "8.6.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Karthik"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or ."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-502 Deserialization of Untrusted Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T06:00:24.540Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/e24a9497-8fb4-4067-8421-194725455d55/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via \u0027eio_page_settings\u0027 Post Meta",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91051",
"datePublished": "2026-09-30T06:00:24.540Z",
"dateReserved": "2026-09-14T17:15:20.460Z",
"dateUpdated": "2026-09-30T13:37:22.160Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-91011 (GCVE-0-2026-91011)
Vulnerability from cvelistv5 – Published: 2026-09-17 06:00 – Updated: 2026-09-17 12:26
VLAI
EPSS
VEX
Title
EWWW Image Optimizer < 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion
Summary
The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 12:10 UTC
CWE
- CWE-79 Cross-Site Scripting (XSS)
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/334f14d5-f97b-4e… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | EWWW Image Optimizer |
Affected:
0 , < 8.7.7
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-91011",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-17T12:10:43.512611Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T12:26:09.671Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EWWW Image Optimizer",
"vendor": "Unknown",
"versions": [
{
"lessThan": "8.7.7",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Artus KG"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Cross-Site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T06:00:13.250Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/334f14d5-f97b-4ec5-9b42-bb0803ae1668/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EWWW Image Optimizer \u003c 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-91011",
"datePublished": "2026-09-17T06:00:13.250Z",
"dateReserved": "2026-09-14T16:12:49.896Z",
"dateUpdated": "2026-09-17T12:26:09.671Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}