CVE-2026-13706
UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
- Record
CVE-2026-13706- CVSS 4.0
- 0.0 None
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 - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-41032 No score
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
- Record
EUVD-2026-41032- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v4ch-5p7w-6w58
Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This...
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
- Record
GHSA-v4ch-5p7w-6w58- CVSS 4.0
- 0.0 None
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
- Record
CVE-2026-13706- CVSS 4.0
- 0.0 None
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
- Record
CVE-2026-13706- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-13706 is a none vulnerability (CVSS 0.0) in Wikimedia Foundation Urlshortener, published July 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.