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CVE-2026-13706noneCWE-20

UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 0epss 0.5%
exploitation probability
0.5%top 59% of all CVEs
observed exploitation
nono source reports it
Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N