CVE-2026-103585
attacker-controlled javascript license URL via XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS).
This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
attacker-controlled javascript license URL via XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS).
This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
- Record
CVE-2026-103585- CVSS 4.0
- 1.2 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/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 - Weakness
- CWE-80
- Updated
- 2026-11-02
EUVDEUVD-2026-90431
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS).
This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
- Record
EUVD-2026-90431- CVSS 4.0
- 1.2 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q32v-6xg8-872f
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in...
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS).
This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
- Record
GHSA-q32v-6xg8-872f- CVSS 4.0
- 1.2 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/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:N/AU:Y/R:U/V:D/RE:M/U:Amber - Weakness
- CWE-80
- Updated
- 2026-11-02
NVD
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS).
This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
- Record
CVE-2026-103585- CVSS 4.0
- 1.2 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/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:N/AU:Y/R:U/V:D/RE:M/U:Amber - Weakness
- CWE-80
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | BomboBombone/CVE-2026-103585 | 2026-10-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-103585 is a low vulnerability (CVSS 1.2) in The Wikimedia Foundation Mediawiki Mediasearch Extension, published September 30, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.