Auto Post Scheduler <= 1.84 - Cross-Site Request Forgery to Stored Cross-Site Scripting via aps_options_page

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Summary

CVECVE-2026-1877
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-31 06:16:00 UTC
Updated2026-04-01 14:24:02 UTC
DescriptionThe Auto Post Scheduler plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.84. This is due to missing nonce validation on the 'aps_options_page' function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

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

EPSS: 0.000310000 probability, percentile 0.087970000 (date 2026-04-01)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Johnh10 Auto Post Scheduler affected * 1.84 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/auto-post-scheduler/tags/1.84/auto-post-scheduler.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/bd387fe3-ffc5-4981-93d7-2b0b1... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/auto-post-scheduler/tags/1.84/auto-post-scheduler.php [email protected] plugins.trac.wordpress.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: Osvaldo Noe Gonzalez Del Rio (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-30T16:31:15.000ZDisclosed
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