CVE-2025-3649: The LightPress Lightbox WordPress plugin before 2.3.4 does not check download links point to valid, non-Javasc
CVE-2025-3649 is a medium-severity flaw (CVSS 6.8) affecting lightbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The LightPress Lightbox WordPress plugin before 2.3.4 does not check download links point to valid, non-Javascript URLs, allowing users with at least the contributor role to conduct Stored XSS attacks.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 61%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-05-12 |
| 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-2025-3649?
lightbox: upgrade to 2.3.4. Exact commands for each OS are on this page.
Is CVE-2025-3649 being exploited?
CVE-2025-3649 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-2025-3649 affect?
CVE-2025-3649 affects lightbox. Severity is medium (CVSS 6.8). The LightPress Lightbox WordPress plugin before 2.3.4 does not check download links point to valid, non-Javascript URLs, allowing users with at least the contributor role to conduct Stored XSS attacks.
How urgent is CVE-2025-3649?
Priority 39/100. Public exploit reference