PatchTheCVECVE-2025-4955: The tarteaucitron.io WordPress plugin before 1.9.5 uses query parameters from YouTube oEmbed URLs without sani
CVE-2025-4955 is a medium-severity flaw (CVSS 4.7) affecting tarteaucitron.io. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The tarteaucitron.io WordPress plugin before 1.9.5 uses query parameters from YouTube oEmbed URLs without sanitizing these parameters correctly, which could allow users with the contributor role and above to perform Stored Cross-site Scripting attacks.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.7 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-06-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-4955?
tarteaucitron.io: upgrade to 1.9.5. Exact commands for each OS are on this page.
Is CVE-2025-4955 being exploited?
CVE-2025-4955 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-4955 affect?
CVE-2025-4955 affects tarteaucitron.io. Severity is medium (CVSS 4.7). The tarteaucitron.io WordPress plugin before 1.9.5 uses query parameters from YouTube oEmbed URLs without sanitizing these parameters correctly, which could allow users with the contributor role and above to perform Stored Cross-site Script
How urgent is CVE-2025-4955?
Priority 29/100. Public exploit reference