EUVD-2026-69921
GHSA-hxfx-f534-wxjv
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Stored XSS via contributor role (PR:L), admin must view content (UI:R), scope change to admin browser (S:C); no availability impact for XSS.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
1DescriptionCVE.org
Contributor Cross Site Scripting (XSS) in Gallery PhotoBlocks <= 1.3.4 versions.
AnalysisAI
Stored cross-site scripting in the Gallery PhotoBlocks WordPress plugin (versions <= 1.3.4) allows authenticated contributors to inject malicious scripts into gallery content, which execute in the browsers of higher-privileged users such as editors or administrators who view the affected content. The scope change (S:C in the CVSS vector) reflects the cross-context impact: attacker-controlled script runs in the victim's authenticated session, enabling session hijacking, credential theft, or unauthorized administrative actions. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold at minimum a WordPress Contributor role on the target installation - anonymous or unauthenticated users cannot exploit this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The 6.5 CVSS base score reflects a moderate-severity stored XSS: exploitable remotely with low complexity, but requiring a Contributor-level WordPress account (PR:L) and victim interaction (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Gallery PhotoBlocks plugin to a version released after 1.3.4 via the WordPress plugin dashboard or the WP Chill repository - the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/photoblocks-grid-gallery/vulnerability/wordpress-gallery-photoblocks-plugin-1-3-4-cross-site-scripting-xss-vulnerability should be consulted for the confirmed fixed version number, which was not independently verified from the available input data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Wordpress Plugin
View allThe Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1
The Hash Form - Drag & Drop Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing fil
Authentication bypass in the LiteSpeed Cache WordPress plugin (versions prior to 6.5.0.1) allows unauthenticated remote
The Simple File List plugin for WordPress through version 4.2.2 contains an unauthenticated remote code execution vulner
The SureTriggers WordPress plugin through version 1.0.82 contains a privilege escalation vulnerability that allows unaut
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via
The Business Directory Plugin - Easy Listing Directories for WordPress plugin for WordPress is vulnerable to time-based
SQL injection in the NotificationX WordPress plugin (versions up to and including 2.8.2) allows unauthenticated remote a
The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i
The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to union base
The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘hash’ parameter in
Remote code execution in the WP Query Console WordPress plugin (versions up to and including 1.0) by Ajit Bohra allows u
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today