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CVSSv2

CVE-2020-35477

Published: 18/12/2020 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

MediaWiki prior to 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the "Change visibility of selected log entries" checkbox (or a tags checkbox) next to it, there is a redirection to the main page's action=historysubmit (instead of the desired behavior in which a revision-deletion form appears).

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mediawiki mediawiki

debian debian linux 9.0

debian debian linux 10.0

fedoraproject fedora 33

Vendor Advisories

Debian Security Advisories: DSA-4816-1 mediawiki -- security update
Multiple security issues were discovered in MediaWiki, a website engine for collaborative work, which could result in cross-site scripting or the disclosure of hidden users For the stable distribution (buster), these problems have been fixed in version 1:13112-1~deb10u1 We recommend that you upgrade your mediawiki packages For the detailed sec ...
Arch Linux Issues:
MediaWiki before 1351 blocks legitimate attempts to hide log entries in some situations If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the "Change visibility of selected log entries" checkbox (or a tags checkbox) next to it, there is a redirection to the main page's action=historysu ...

References

CWE-670https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.htmlhttps://phabricator.wikimedia.org/T205908https://www.debian.org/security/2020/dsa-4816https://lists.debian.org/debian-lts-announce/2020/12/msg00034.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/https://nvd.nist.govhttps://www.debian.org/security/2020/dsa-4816
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-30924CVE-2024-3400overflowCVE-2024-23528CVE-2024-21338CVE-2024-3818CVE-2024-23535NULL pointer dereferenceelevation of privilege
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