What is CVE-2023-36121?

CVE-2023-36121 is a medium-severity vulnerability in E107, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-02.

How severe is CVE-2023-36121?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in E107

CVE-2023-36121

Cross Site Scripting vulnerability in e107 v.2.3.2 allows a remote attacker to execute arbitrary code via the description function in the SEO project.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

E107 — versions 2.3.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/51449 (Exploit, VDB Entry, Third Party Advisory)
github.com/Trinity-SYT-SECURITY/XSS_vuln_issue/blob/main/e107 v2.3.2.md (Exploit, Third Party Advisory)
www.chtsecurity.com/news/6c6675d4-3254-46ce-a16d-26523ff80540 (Third Party Advisory)
www.chtsecurity.com/news/0a4743a5-491e-4685-95ee-df8316ab5284 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-36121?: CVE-2023-36121 is a medium-severity vulnerability in E107, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-02.
How severe is CVE-2023-36121?: Medium severity. CVSS v3 base score is 5.4 out of 10.