Wp Social Login and Register Social Counter <= 3.1.3 - Missing Authorization in Cache REST Endpoints to Social Counter Tampering

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Summary

CVECVE-2025-13620
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-05 11:15:51 UTC
Updated2026-04-08 18:23:52 UTC
DescriptionThe Wp Social Login and Register Social Counter plugin for WordPress is vulnerable to missing authorization in versions up to, and including, 3.1.3. This is due to the REST routes wslu/v1/check_cache/{type}, wslu/v1/save_cache/{type}, and wslu/v1/settings/clear_counter_cache being registered with permission_callback set to __return_true and lacking capability or nonce validation in their handlers. This makes it possible for unauthenticated attackers to clear or overwrite the social counter cache via crafted REST requests.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.000790000 probability, percentile 0.234350000 (date 2026-04-08)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roxnor Wp Social Login And Register Social Counter affected 3.1.3 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3402340/wp-social/tags/3.1.4/inc/admin-rest-api.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/4fa205d7-61ce-4ab9-b532-fd0b4... [email protected] www.wordfence.com
research.cleantalk.org/cve-2025-13620 [email protected] research.cleantalk.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Dmitrii Ignatyev (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-11-24T20:59:48.000ZVendor Notified
CNA2025-12-04T21:44:40.000ZDisclosed
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