RCE in Light0011 Cms
CVE-2026-85382
A vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Impacted is the function htmlspecialchars_decode of the file App/Home/View/Default/Chapter/oneChapter.tpl of the component Chapter Content Output. Performing a manipulation of the argument content results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Light0011 Cms — versions c774dce31c6df0055568a8d5c53d964d99be199d, f72cf46f601efb2a0618c3814cc2f61380b38930
Weakness classification (CWE)
References
- github.com/light0011/cms/ (product)
- github.com/light0011/cms/issues/8 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-85382 (third-party-advisory)
- vuldb.com/submit/894803 (third-party-advisory)
- vuldb.com/vuln/398536 (technical-description, vdb-entry)
- vuldb.com/vuln/398536/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-85382?
- CVE-2026-85382 is a medium-severity vulnerability in Light0011 Cms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-09-04.
- How severe is CVE-2026-85382?
- Medium severity. CVSS v3 base score is 4.3 out of 10.