CVE-2023-45363

highpriority · track · 38EPSS 0.238 · 98 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

23.8% (98th) EPSS

CVSS 7.5 · high

Is it mine?

18 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-24

An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-835USCWE-835US

affected products (18)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
n/a n/a≤ n/aenisa_euvdEU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.11fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki≤ 1.40.0fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki≤ 1.35.12fstec_bduRU
Сообщество свободного программного обеспечения MediaWiki1.36.0 → 1.39.5fstec_bduRU
debian debian linux= 11.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 12.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
mediawiki mediawiki< 1.35.12nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki1.36.0 → 1.39.5nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
mediawiki mediawiki= 1.40.0nvdUScpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Bitnami mediawiki< 1.35.12osvUSpkg:bitnami/mediawiki
Bitnami mediawiki1.36.0 → 1.39.5osvUSpkg:bitnami/mediawiki
Bitnami mediawiki1.40.0 → 1.40.1osvUSpkg:bitnami/mediawiki
Packagist mediawiki/core< 1.35.12osvUSpkg:composer/mediawiki/core
Packagist mediawiki/core1.36.0 → 1.39.5osvUSpkg:composer/mediawiki/core
Packagist mediawiki/core1.40.0 → 1.40.1osvUSpkg:composer/mediawiki/core

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2594MediaWiki: Mehre SchwachstellenDeutsch2023-10-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, Sicherheitsmaßnahmen zu umgehen, Dateien zu manipulieren, Cross-Site-Scripting-Angriffe durchzuführen oder vertrauliche Informationen offenzulegen.
GHSA-w5fx-cx7f-6vr9MediaWiki Denial of Service vulnerability2023-10-09ghsa · osvUS
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.
BIT-mediawiki-2023-453632024-03-06vendor · osvUS
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund nvd NVD CVE.org MITRE

published 2023-10-09modified 2026-06-17

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+1365 more

references (9)

External citations — patches, advisories, analysis.

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