tarteaucitron.io < 1.9.5 - Contributor+ Stored XSS
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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 it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00375 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed tarteaucitron.io (Unknown): 1.9.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | tarteaucitron.io | before 1.9.5 | 1.9.5 | Patch available | CNA |
- tarteaucitron.io VendorUnknown Affected before 1.9.5 Fixed in 1.9.5 Patch available CNA
Remediation
- Fix · CNA tarteaucitron.io (Unknown) Fixed in 1.9.5
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4955
- 2026-10-03 Alias added: GHSA-23mx-m43g-r4fh
References
Sources
- CVE-2025-4955 · CVE Program
- CVE-2025-4955 · NVD
- FIRST EPSS
- GHSA-23mx-m43g-r4fh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences