CVE-2025-12813 (GCVE-0-2025-12813)
Vulnerability from cvelistv5 – Published: 2025-11-11 03:30 – Updated: 2025-11-14 15:31
VLAI?
Title
Holiday class post calendar <= 7.1 - Unauthenticated Remote Code Execution via 'contents'
Summary
The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.
Severity ?
9.8 (Critical)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| strix-bubol5 | Holiday class post calendar |
Affected:
* , ≤ 7.1
(semver)
|
Credits
Kenneth Dunn
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Sightings
| Author | Source | Type | Date |
|---|
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.
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