Camaleon CMS vulnerable to Stored Cross-site Scripting

published 2018-10-15 8y ago modified 2026-06-17 4mo ago also GHSA-7f84-9cqf-g4j9 , EUVD-2022-2981

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

In the 2.4 version of Camaleon CMS, Stored XSS has been discovered. The profile image in the User settings section can be run in the update / upload area via /admin/media/upload?actions=false. NOTE: the vendor reports that they are "unable to reproduce the reported issue on any version."

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Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
rubygems	camaleon_cms	1 listed version	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

packetstormsecurity.com /files/149772/CAMALEON-CMS-2.4-Cross-Site-Scripting.html
web, third-party-advisory, vdb-entry
nvd.nist.gov /vuln/detail/CVE-2018-18260
advisory
github.com /owen2345/camaleon-cms
package
github.com /rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2018-18260.yml
web

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.