Vulnerability · Published Nov 3, 2023 · Assigned by mitre
CVE-2023-45360
Medium 5.4
In plain English
A medium-severity cross-site scripting in the mediawiki package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.7%top 48.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.39.5-1~deb12u1 | DSA-5520-1 |
| Debian:12 | mediawiki | 1:1.39.5-1~deb12u1 | DEBIAN-CVE-2023-45360 |
| Debian:13 | mediawiki | 1:1.39.5-1 | DEBIAN-CVE-2023-45360 |
| Debian:14 | mediawiki | 1:1.39.5-1 | DEBIAN-CVE-2023-45360 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2023-45360 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2023-45360 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2023-45360 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N