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CVE-2025-61635

Add rate limiting to ApiFancyCaptchaReload

0.0 NoneFix available

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php.

This issue affects ConfirmEdit: *.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Active

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
None

Exploit likelihood

0.40%Up 0.3 points since Feb 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 0.0

Add rate limiting to ApiFancyCaptchaReload

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php.

This issue affects ConfirmEdit: *.

Record
CVE-2025-61635
CVSS 4.0
0.0 NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/RE:M/U:Amber
Updated
2026-11-02
EUVDEUVD-2025-206624 No score

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php.

This issue affects ConfirmEdit: *.

Record
EUVD-2025-206624
Updated
2026-11-02
GitHub AdvisoriesGHSA-gp65-637x-5v3w 0.0

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program...

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php.

This issue affects ConfirmEdit: *.

Record
GHSA-gp65-637x-5v3w
CVSS 4.0
0.0 NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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:Y/R:X/V:X/RE:M/U:Amber
Updated
2026-11-02
NVD 0.0

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php.

This issue affects ConfirmEdit: *.

Record
CVE-2025-61635
CVSS 4.0
0.0 NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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:Y/R:X/V:X/RE:M/U:Amber
Updated
2026-11-02
OSVDEBIAN-CVE-2025-61635 0.0

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php. This issue affects ConfirmEdit: *.

Record
DEBIAN-CVE-2025-61635
CVSS 4.0
0.0 NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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:Y/R:X/V:X/RE:M/U:Amber
Updated
2026-11-02
OSVUBUNTU-CVE-2025-61635 0.0

Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php. This issue affects ConfirmEdit: *.

Record
UBUNTU-CVE-2025-61635
CVSS 4.0
0.0 NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/RE:M/U:Amber
Updated
2026-11-02
OSVMGASA-2025-0260 No score

Updated mediawiki packages fix security vulnerabilities

i18n XSS vulnerability in HTMLMultiSelectField when sections are used. (CVE-2025-3469) "reupload-own" restriction can be bypassed by reverting file. (CVE-2025-32696) Cascading protection is not preventing file reversions. (CVE-2025-32697) LogPager.php: Restriction enforcer functions do not correctly enforce suppression restrictions. (CVE-2025-32698) Potential javascript injection attack enabled by Unicode normalization in Action API. (CVE-2025-32699) AbuseFilter log interfaces expose global private and hidden filters when central DB is not available. (CVE-2025-32700) HTML injection in feed output from i18n message. (CVE-2025-32072) OATHAuth extension: Reauthentication for enabling 2FA can be bypassed by submitting a form in Special:OATHManage. (CVE-2025-11173) Stored i18n Cross-site scripting (XSS) vulnerability in mw.language.listToText. (CVE-2025-11261) ConfirmEdit extension: Missing rate limiting in ApiFancyCaptchaReload. (CVE-2025-61635) Parsoid: Validation bypass for data- attributes. (CVE-2025-61638) Log entries which are hidden from the creation of the entry may be disclosed to the public recent change entry. (CVE-2025-61639) Stored i18n Cross-site scripting (XSS) vulnerability in Special:RecentChangesLinked. (CVE-2025-61640) DDoS vulnerability in QueryAllPages API in miser mode. The maxsize value is now ignored in that mode. (CVE-2025-61641) Suppressed recent changes may be disclosed to the public RCFeeds. (CVE-2025-61643) Public Watchlist/RecentChanges pages may disclose hidden usernames when an individual editor makes consecutive revisions on a single page, and only some are marked as hidden username. (CVE-2025-61646) TextExtracts extension: Information disclosure vulnerability in the extracts API action endpoint due to missing read permission check. (CVE-2025-61653) VisualEditor extension: Stored i18n Cross-site scripting (XSS) vulnerability in lastModifiedAt system messages. (CVE-2025-61655) VisualEditor extension: Missing attribute validation for attributes unwrapped from data-ve-attributes. (CVE-2025-61656)

Record
MGASA-2025-0260
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mediawiki
Debian:12
 before 1:1.39.17-1~deb12u1, plus listed versions
1:1.39.10-11:1.39.10-1~deb12u11:1.39.12-1~deb12u11:1.39.13-1~deb12u11:1.39.2-1
Show 9 moreShow less
1:1.39.4-11:1.39.4-1~deb12u11:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1
1:1.39.17-1~deb12u1
mediawiki
Debian:13
 before 1:1.43.6+dfsg-1~deb13u1, plus listed versions
1:1.43.3+dfsg-11:1.43.5+dfsg-1
1:1.43.6+dfsg-1~deb13u1
mediawiki
Debian:14
 before 1:1.43.5+dfsg-1, plus listed versions
1:1.43.3+dfsg-1
1:1.43.5+dfsg-1
mediawiki
Debian:11
From an advisory covering 12 CVEs
 before 1:1.35.13-1+deb11u5, plus listed versions
1:1.35.11-1~deb11u11:1.35.13-1+deb11u21:1.35.13-1+deb11u31:1.35.13-1+deb11u41:1.35.13-1~deb11u1
Show 12 moreShow less
1:1.35.2-11:1.35.3-11:1.35.4-11:1.35.4-1+deb11u21:1.35.4-1~deb11u11:1.35.5-11:1.35.5-21:1.35.6-11:1.35.7-11:1.35.8-11:1.35.8-1.11:1.35.8-1~deb11u1
1:1.35.13-1+deb11u5
mediawiki
Debian:12
From an advisory covering 19 CVEs
 before 1:1.39.17-1~deb12u1, plus listed versions
1:1.39.10-11:1.39.10-1~deb12u11:1.39.12-1~deb12u11:1.39.13-1~deb12u11:1.39.2-1
Show 9 moreShow less
1:1.39.4-11:1.39.4-1~deb12u11:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1
1:1.39.17-1~deb12u1
mediawiki
Debian:13
From an advisory covering 19 CVEs
 before 1:1.43.6+dfsg-1~deb13u1, plus listed versions
1:1.43.3+dfsg-11:1.43.5+dfsg-1
1:1.43.6+dfsg-1~deb13u1
mediawiki
Mageia:9
From an advisory covering 18 CVEs
 before 1.35.14-1.1.mga9
1.35.14-1.1.mga9
mediawiki
Ubuntu:18.04:LTS
 All versions, plus listed versions
1:1.27.3-11:1.27.4-11:1.27.4-21:1.27.4-3
 None known
mediawiki
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1:1.31.2-1ubuntu11:1.31.5-11:1.31.5-1ubuntu11:1.31.5-21:1.31.5-3
Show 4 moreShow less
1:1.31.5-3ubuntu11:1.31.6-11:1.31.7-11:1.31.7-1ubuntu0.1~esm1
 None known
mediawiki
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
1:1.35.3-11:1.35.4-11:1.35.5-11:1.35.5-1ubuntu11:1.35.5-1ubuntu21:1.35.5-1ubuntu31:1.35.6-11:1.35.6-1ubuntu0.1~esm1
 None known
Show 4 moreShow less
Affected packages
PackageAffectedFixed
mediawiki
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
1:1.39.4-21:1.39.5-11:1.39.6-11:1.39.7-11:1.39.7-1ubuntu0.1~esm1
 None known
mediawiki
Ubuntu:25.10
 All versions, plus listed versions
1:1.43.1+dfsg-11:1.43.1+dfsg-21:1.43.3+dfsg-1
 None known
mediawiki
Ubuntu:26.10
 All versions, plus listed versions
1:1.43.8+dfsg-21:1.43.9+dfsg-11:1.43.9+dfsg-1ubuntu1
 None known
mediawiki
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:1.43.3+dfsg-11:1.43.5+dfsg-11:1.43.6+dfsg-21:1.43.8+dfsg-11:1.43.8+dfsg-2
 None known

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-61635 is a none vulnerability (CVSS 0.0) in Wikimedia Foundation Confirmedit, published October 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. Fixed in mediawiki 1:1.39.17-1~deb12u1.

References

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