Cross Site Scripting vulnerability in Pluck CMS before v.4.7.21dev allows a remote…
Priority MEDIUM 61CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting vulnerability in Pluck CMS before v.4.7.21dev allows a remote attacker to escalate privileges via the editpage.php and the sanitizePageContent function
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0028 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-31205
- 2026-10-03 Alias added: GHSA-5f26-v269-jf8r
References
Other 4
- https://github.com/pluck-cms/pluck/blob/main/data/inc/functions.all.php#L207
- https://github.com/pluck-cms/pluck/blob/main/data/inc/editpage.php
- https://github.com/pluck-cms/pluck/issues/141
- https://medium.com/@nakah_/pluck-cms-stored-xss-in-page-editor-cve-2026-31205-3b0526743e1d?postPublishedType=initial
Sources
- CVE-2026-31205 · CVE Program
- CVE-2026-31205 · NVD
- FIRST EPSS
- GHSA-5f26-v269-jf8r · 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