PatchTheCVECVE-2024-0561: The Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget option
CVE-2024-0561 is a medium-severity flaw (CVSS 5.4) affecting ultimate posts widget. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget options before outputting them back in attributes, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
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 | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-03-11 |
| 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-2024-0561?
ultimate posts widget: upgrade to 2.3.1. Exact commands for each OS are on this page.
Is CVE-2024-0561 being exploited?
CVE-2024-0561 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-2024-0561 affect?
CVE-2024-0561 affects ultimate posts widget. Severity is medium (CVSS 5.4). The Ultimate Posts Widget WordPress plugin before 2.3.1 does not validate and escape some of its Widget options before outputting them back in attributes, which could allow high privilege users such as admin to perform Stored Cross-Site Scr
How urgent is CVE-2024-0561?
Priority 33/100. Public exploit reference