EUVD-2026-41418
GHSA-p2fp-6329-h7jp
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Author-level account is required so PR:L; the media/post-meta path is network-reachable and reliable (AV:N, AC:L, UI:N); arbitrary deletion yields I:H/A:H with no direct data disclosure (C:N).
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
The TinyPNG - JPEG, PNG & WebP image compression plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the delete_converted_image_size function in all versions up to, and including, 3.6.13. This makes it possible for authenticated attackers, with author-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). An attacker can exploit this by injecting an arbitrary server file path into the 'convert.path' field of the 'tiny_compress_images' post meta on an attachment they own, then triggering attachment deletion to invoke the vulnerable code path.
AnalysisAI
Arbitrary file deletion in the TinyPNG (JPEG, PNG & WebP image compression) plugin for WordPress affects all versions through 3.6.13, allowing authenticated attackers with author-level access or higher to delete any file the web server can reach. Because deleting sensitive files such as wp-config.php pushes the site into a fresh-install state, this file-deletion primitive can be escalated to full remote code execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated WordPress account with author-level capabilities or above (CVSS PR:L) on a site running TinyPNG plugin ≤ 3.6.13; the attacker must be able to create/own an attachment and set its 'tiny_compress_images' post meta 'convert.path' value to an arbitrary absolute filesystem path, then trigger attachment deletion to reach delete_converted_image_size. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The supplied CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H = 8.1) indicates a network-reachable, low-complexity attack requiring low privileges and no user interaction, with high integrity and availability impact and no confidentiality impact - consistent with a destructive file-deletion primitive rather than data theft. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who registers or compromises an author-level WordPress account uploads an image attachment they own, then edits its 'tiny_compress_images' post meta so the 'convert.path' field points to an absolute server path such as /var/www/html/wp-config.php. When they trigger deletion of that attachment, the vulnerable delete_converted_image_size code unlinks the targeted file; removing wp-config.php places the site into a re-installable state that can be steered toward attacker-controlled database credentials and code execution. … |
| Remediation | Upstream fix available (changeset/commit); a released patched version is not independently confirmed from the provided data - the corrective code is in WordPress.org plugin changeset 3532827 (https://plugins.trac.wordpress.org/changeset/3532827/tiny-compress-images), so update the tiny-compress-images plugin to the first release built from that changeset (the next version after 3.6.13) as soon as it is available and confirmed by the vendor. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Disable the TinyPNG plugin on all affected WordPress installations and inventory all sites using this plugin. …
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External POC / Exploit Code
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