WP Photo Album Plus <= 9.2.09.002 - Authenticated (Subscriber+) Remote Code Execution via Multipart Upload Filename via ImageMagick Argument Injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-87909
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-19 03:17:15 UTC
Updated2026-09-19 03:17:15 UTC
DescriptionThe WP Photo Album Plus plugin for WordPress is vulnerable to Remote Code Execution in all versions via the wppa_image_magick function. This is due to insufficient sanitization of the multipart upload filename before concatenation into an ImageMagick command string executed via exec(), with only escapeshellcmd() applied to the whole command rather than quoting individual arguments. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute code on the server. escapeshellcmd() escapes shell metacharacters but does not prevent argument injection because spaces remain as argument separators, and the filename sanitization applied at the database layer is never applied to the physical temporary file path used for ImageMagick processing.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-74 | CWE-74 CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Opajaap WP Photo Album Plus affected 9.2.09.002 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-photo-album-plus/trunk/wppa-photo-files.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-photo-album-plus/trunk/wppa-photo-files.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-photo-album-plus/trunk/wppa-functions.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/693c7554-5122-4527-8a9c-aa31e... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/wp-photo-album-plus/trunk/wppa-functions.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: daroo (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-09T15:25:23.000ZVendor Notified
CNA2026-09-18T00:00:00.000ZDisclosed

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