PatchTheCVECVE-2023-5531: The Thumbnail Slider With Lightbox plugin for WordPress is vulnerable to Cross-Site Request Forgery in version
CVE-2023-5531 is a medium-severity flaw (CVSS 4.3) affecting thumbnail slider with lightbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Thumbnail Slider With Lightbox plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the delete functionality. This makes it possible for unauthenticated attackers to delete image lightboxes via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-352 |
| Published | 2023-10-12 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-5531?
thumbnail slider with lightbox: upgrade to newer than 1.0. Exact commands for each OS are on this page.
Is CVE-2023-5531 being exploited?
CVE-2023-5531 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-5531 affect?
CVE-2023-5531 affects thumbnail slider with lightbox. Severity is medium (CVSS 4.3). The Thumbnail Slider With Lightbox plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the delete functionality. This makes it possi
How urgent is CVE-2023-5531?
Priority 21/100. No elevated risk signals yet.
Software pages
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