Vulnerability-Lookup

GHSA-9J2R-2287-24HF

Vulnerability from github – Published: 2026-03-13 21:31 – Updated: 2026-03-13 21:31

Details

wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-22216"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-799"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-13T19:54:11Z",
    "severity": "MODERATE"
  },
  "details": "wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts.",
  "id": "GHSA-9j2r-2287-24hf",
  "modified": "2026-03-13T21:31:46Z",
  "published": "2026-03-13T21:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22216"
    },
    {
      "type": "WEB",
      "url": "https://wordpress.org/plugins/wpdiscuz"
    },
    {
      "type": "WEB",
      "url": "https://wordpress.org/plugins/wpdiscuz/#developers"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/wpdiscuz-before-no-rate-limiting-on-subscription-endpoints-with-like-wildcard-bypass"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-22216 (GCVE-0-2026-22216)

Vulnerability from cvelistv5 – Published: 2026-03-13 01:18 – Updated: 2026-03-13 14:14

Title

wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass

Summary

Severity ?

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CWE

CWE-799 - Improper Control of Interaction Frequency

Assigner

VulnCheck

References

URL

Tags

	https://wordpress.org/plugins/wpdiscuz/#developers	patch
	https://wordpress.org/plugins/wpdiscuz/	product
	https://www.vulncheck.com/advisories/wpdiscuz-bef…	third-party-advisory

Impacted products

	Vendor	Product	Version
	gVectors	wpDiscuz	Affected: 0 , < 7.6.47 (custom) Unaffected: 7.6.47

Date Public ?

2026-03-11 00:00

Credits

Scott Moore - VulnCheck

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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                "id": "CVE-2026-22216",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-13T14:13:50.294723Z",
                "version": "2.0.3"
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            }
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                }
              ],
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        }
      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
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          "url": "https://wordpress.org/plugins/wpdiscuz/#developers"
        },
        {
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9J2R-2287-24HF

CVE-2026-22216 (GCVE-0-2026-22216)

Tags

Sightings

Nomenclature