CVE-2026-34089CWE-401CWE-79cross-site-scripting

CVE-2026-34089

High · published May 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

Vulnerability in Wikimedia Foundation Scribunto.

This issue affects Scribunto: from 1.45.0 before 1.45.2.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00427 · 35.9th percentile
Weaknesses
CWE-401 · Missing Release of Memory after Effective Lifetime; CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-11T20:17Z
Affected products (1)
ProductVersionsFixed in
wikimedia/scribunto≥ 1.45.0, < 1.45.21.45.2
References (1)
https://phabricator.wikimedia.org/T419168 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
EPSS history
Timeline
  • 11 MAY 14:46Z
    Memory leak in Scribunto causes runJobs.php to run out of memory
    cvelistv5