ReadingLists imported metadata permits JavaScript URL XSS
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 1.1epss 0.3%
from disclosure to weapon0 days
Published on NVDSep 30
1st PoCSep 30
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.
This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
Affected products
The Wikimedia Foundation · MediaWiki ReadingLists extensionpublic PoCs found — 1
githubgithub.com/BomboBombone/CVE-2026-103437★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.