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Vulnerability record · CVE-2026-73326 · published 12 August 2026

CVE-2026-73326: Missing authorization vulnerability

CamaleonCMS contains a missing authorization vulnerability that allows any authenticated low-privileged user to access and modify plugin settings by reaching four unprotected plugin-administration endpoints without administrator-level authorization. Attackers can manipulate plugin configuration parameters at runtime across the attack, front_cache, cama_meta_tag, and cama_contact_form plugins to alter cached page behavior, modify public meta-tag output, or reconfigure contact forms, enabling account takeover when chained with stored cross-site scripting through the contact form's before_html field.

7.2 CVSS 4.0 High EPSS 0.38% · top 70.2% CWE-862 · Missing authorization Deferred
7.2CVSS 4.0 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
26 Aug 2026Last modified by NVD

Description

CamaleonCMS contains a missing authorization vulnerability that allows any authenticated low-privileged user to access and modify plugin settings by reaching four unprotected plugin-administration endpoints without administrator-level authorization. Attackers can manipulate plugin configuration parameters at runtime across the attack, front_cache, cama_meta_tag, and cama_contact_form plugins to alter cached page behavior, modify public meta-tag output, or reconfigure contact forms, enabling account takeover when chained with stored cross-site scripting through the contact form's before_html field.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://enrik-m.github.io/posts/Camaleon-CMS-Vulnerabilties/#31-broken-access-control-on-admin-endpoints
https://github.com/owen2345/camaleon-cms
https://www.vulncheck.com/advisories/camaleoncms-missing-authorization-via-plugin-administration-endpoints

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Source: NIST National Vulnerability Database (record CVE-2026-73326), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.