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TI-2021-07975 Aliases CVE-2021-25969GHSA-x78v-4fvj-rg9j

Camaleon CMS - Stored Cross-Site Scripting (XSS) in Comments

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

In Camaleon CMS application, versions 0.0.1 to 2.6.0 are vulnerable to stored XSS, that allows an unauthenticated attacker to store malicious scripts in the comments section of the post. These scripts are executed in a victim’s browser when they open the page containing the malicious comment.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00808 57th percentileScored 2026-11-07
Fix Fixed camaleon_cms (RubyGems): 2.6.0.1

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

VendorProductAffected versionsFixed inStatusSource
owen2345camaleon_cms0.0.1 and later; up to 2.6.0—No fix listedCNA
—camaleon_cms (RubyGems)0.0.1 to before 2.6.0.12.6.0.1Patch availableGHSA-x78v-4fvj-rg9j
  • camaleon_cms Vendorowen2345 Affected 0.0.1 and later; up to 2.6.0 Fixed in — No fix listed CNA
  • camaleon_cms (RubyGems) Vendor— Affected 0.0.1 to before 2.6.0.1 Fixed in 2.6.0.1 Patch available GHSA-x78v-4fvj-rg9j

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tuzitio:camaleon_cms:*:*:*:*:*:*:*:*0.0.1 – 2.6.0Vulnerableowen2345
  • cpe:2.3:a:tuzitio:camaleon_cms:*:*:*:*:*:*:*:* Versions 0.0.1 – 2.6.0 Vulnerable ·owen2345

Remediation

  • Fix · GHSA-x78v-4fvj-rg9j camaleon_cms (RubyGems) Fixed in 2.6.0.1 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    camaleon_cms unspecified

    4 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM

    Other records, highest priority first

    • TI-2021-07976 Camaleon CMS - Insufficient Session Expiration after Password ChangePriority HIGH 73
    • TI-2021-07978 Camaleon CMS - Server-Side Request Forgery (SSRF) in Media Upload FeaturePriority MEDIUM 56
    • TI-2021-07977 Camaleon CMS - SVG File Upload Creates DoS for Media Upload FeaturePriority MEDIUM 53
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25969
  2. 2026-10-03 Alias added: GHSA-x78v-4fvj-rg9j

References

Patch 1

Advisory 2

Other 1

  • TI-2023-14148 Camaleon CMS v2.7.0 was discovered to contain a Server-Side Template Injection (SSTI)… CVSS 3.1CRITICAL 9.8
  • TI-2024-31375 Arbitrary file write leading to RCE in Camaleon CMS CVSS 3.1CRITICAL 10.0
  • TI-2021-07976 Camaleon CMS - Insufficient Session Expiration after Password Change CVSS 3.1HIGH 8.8
  • TI-2024-31376 Arbitrary path traversal in Camaleon CMS CVSS 3.1HIGH 7.7
  • TI-2021-07978 Camaleon CMS - Server-Side Request Forgery (SSRF) in Media Upload Feature CVSS 3.1MEDIUM 4.9
  • TI-2024-32457 Cross Site Scripting vulnerability in camaleon-cms v.2.7.5 allows remote attacker to… CVSS 3.1MEDIUM 4.8
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences