MediaWiki < 1.39.13 Multiple Vulnerabilities

medium Web App Scanning Plugin ID 115338

Synopsis

MediaWiki < 1.39.13 Multiple Vulnerabilities

Description

According to its self-reported version number, the instance of MediaWiki hosted on the remote web server is prior to 1.39.13, 1.42.x prior to 1.42.7 or 1.43.x prior to 1.43.2. It is, therefore, affected by a number of vulnerabilities as follows.

- Failure to escape the newpage message in FeedUtils enabling XSS attacks. (CVE-2025-32072)

- BlockList discloses rows containing suppressed users. (CVE-2025-6589)

- Failure to escape usernames in HTMLUserTextField validation errors enabling XSS attacks. (CVE-2025-6590)

- Failure to escape i18n messages in the action=feedcontributions API enabling XSS attacks. (CVE-2025-6591)

- Account creation links a temporary username/IP with the real username. (CVE-2025-6592)

- IP address leak to an unverified email. (CVE-2025-6593)

- Reflected XSS in apisandbox when an invalid 'format' value is provided. (CVE-2025-6594)

- Stored XSS through system messages in MultimediaViewer. (CVE-2025-6595)

- Vector inserts portlet labels as HTML, allowing stored XSS. (CVE-2025-6596)

- Autocreation is treated as a login for reauthentication. (CVE-2025-6597)

- Extensions are unable to suppress the reauth flag on login. (CVE-2025-6926)

- Autoblocks visibility and hidden username leaks. (CVE-2025-6927)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to MediaWiki version 1.39.13 or later.

See Also

https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/TT45WDZ7MDTXXBEFLBMLAJI532O2PN2U/

Plugin Details

Severity: Medium

ID: 115338

Type: Version Based

Published: 7/28/2026

Updated: 7/28/2026

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-6926

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2025-6592

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

CVSS Score Source: CVE-2025-32072

Vulnerability Information

CPE: cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/10/2025

Reference Information

CVE: CVE-2025-32072, CVE-2025-6589, CVE-2025-6590, CVE-2025-6591, CVE-2025-6592, CVE-2025-6593, CVE-2025-6594, CVE-2025-6595, CVE-2025-6596, CVE-2025-6597, CVE-2025-6926, CVE-2025-6927

CWE: 116, 200, 22, 284, 287, 79

OWASP: 2010-A2, 2010-A3, 2010-A4, 2010-A6, 2010-A8, 2013-A2, 2013-A3, 2013-A4, 2013-A5, 2013-A7, 2013-A9, 2017-A2, 2017-A5, 2017-A6, 2017-A7, 2017-A9, 2021-A1, 2021-A3, 2021-A6, 2021-A7, 2025-A1, 2025-A5, 2025-A6, 2025-A7

WASC: Cross-Site Scripting, Improper Output Handling, Information Leakage, Insufficient Authentication, Insufficient Authorization, Path Traversal

CAPEC: 104, 114, 115, 116, 126, 13, 151, 169, 19, 194, 209, 22, 224, 285, 287, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 312, 313, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 441, 472, 478, 479, 497, 502, 503, 508, 536, 546, 550, 551, 552, 556, 558, 562, 563, 564, 57, 573, 574, 575, 576, 577, 578, 588, 59, 591, 592, 593, 60, 616, 63, 633, 64, 643, 646, 650, 651, 73, 76, 78, 79, 81, 85, 94

DISA STIG: APSC-DV-000460, APSC-DV-002490, APSC-DV-002560, APSC-DV-002630

HIPAA: 164.306(a)(1), 164.306(a)(2), 164.312(a)(1), 164.312(a)(2)(i)

ISO: 27001-A.13.1.1, 27001-A.14.1.2, 27001-A.14.1.3, 27001-A.14.2.5, 27001-A.18.1.3, 27001-A.6.2.2, 27001-A.9.1.2, 27001-A.9.4.1, 27001-A.9.4.4, 27001-A.9.4.5

NIST: sp800_53-AC-3, sp800_53-CM-6b, sp800_53-SI-10, sp800_53-SI-15

OWASP API: 2019-API7, 2019-API8, 2023-API8

OWASP ASVS: 4.0.2-1.4.2, 4.0.2-12.3.1, 4.0.2-14.2.1, 4.0.2-5.2.1, 4.0.2-5.3.3, 4.0.2-8.3.4

PCI-DSS: 3.2-6.2, 3.2-6.5, 3.2-6.5.10, 3.2-6.5.7, 3.2-6.5.8