PatchTheCVECVE-2021-24760: The Gutenberg PDF Viewer Block WordPress plugin before 1.0.1 does not sanitise and escape its block, which cou
CVE-2021-24760 is a medium-severity flaw (CVSS 5.4) affecting pdf viewer block for gutenberg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Gutenberg PDF Viewer Block WordPress plugin before 1.0.1 does not sanitise and escape its block, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-10-18 |
| 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-2021-24760?
pdf viewer block for gutenberg: upgrade to 1.0.1. Exact commands for each OS are on this page.
Is CVE-2021-24760 being exploited?
CVE-2021-24760 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-2021-24760 affect?
CVE-2021-24760 affects pdf viewer block for gutenberg. Severity is medium (CVSS 5.4). The Gutenberg PDF Viewer Block WordPress plugin before 1.0.1 does not sanitise and escape its block, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.
How urgent is CVE-2021-24760?
Priority 37/100. Public exploit reference