What is CVE-2025-7803?

CVE-2025-7803 is a low-severity vulnerability in Descreekert Wx-Discuz, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-07-18.

How severe is CVE-2025-7803?

Low severity. CVSS v3 base score is 3.5 out of 10.

RCE in Descreekert Wx-Discuz

CVE-2025-7803

A vulnerability was found in descreekert wx-discuz up to 12bd4745c63ec203cb32119bf77ead4a923bf277. It has been classified as problematic. This affects the function validToken of the file /wx.php. The manipulation of the argument echostr leads to cross site scripting. It is possible to initiate the attack remotely. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% 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: 0.003 · change: +0.000

Affected products

Descreekert Wx-Discuz — versions 12bd4745c63ec203cb32119bf77ead4a923bf277

Weakness classification (CWE)

References

vuldb.com/ (technical-description, vdb-entry)
vuldb.com/ (signature, permissions-required)
vuldb.com/ (third-party-advisory)

Frequently asked questions

What is CVE-2025-7803?: CVE-2025-7803 is a low-severity vulnerability in Descreekert Wx-Discuz, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-07-18.
How severe is CVE-2025-7803?: Low severity. CVSS v3 base score is 3.5 out of 10.