CVE-2026-85577CWE-79cross-site-scripting

CVE-2026-85577

Medium · published September 4, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
20.0
In the wild
Unconfirmed
What it is

AVideo through commit c91b5975d contains a reflected cross-site scripting vulnerability in userLogin.php that allows unauthenticated attackers to inject arbitrary JavaScript by closing the script tag with </script>. Attackers can craft a malicious URL with an error parameter containing script breakout sequences to execute arbitrary JavaScript in the victim's browser context on the login page.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00286 · 20.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-04T16:17Z
References (3)
https://github.com/WWBN/AVideo/security/advisories/GHSA-v654-6qw8-pc33 · [email protected]https://www.vulncheck.com/advisories/avideo-userlogin-php-reflected-xss-via-error-parameter · [email protected]https://github.com/WWBN/AVideo/security/advisories/GHSA-v654-6qw8-pc33 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 04 SEP 11:29Z
    AVideo userLogin.php Reflected XSS via error parameter
    cvelistv5