What is CVE-2023-49494?

CVE-2023-49494 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-11.

How severe is CVE-2023-49494?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Dedecms

CVE-2023-49494

DedeCMS v5.7.111 was discovered to contain a reflective cross-site scripting (XSS) vulnerability via the component select_media_post_wangEditor.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-12-11 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Dedecms — versions 5.7.111

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/Hebing123/cve/issues/3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49494?: CVE-2023-49494 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-11.
How severe is CVE-2023-49494?: Medium severity. CVSS v3 base score is 6.1 out of 10.