PatchTheCVECVE-2023-2964: The Simple Iframe WordPress plugin before 1.2.0 does not properly validate one of its WordPress block attribut
CVE-2023-2964 is a medium-severity flaw (CVSS 5.4) affecting simple iframe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Simple Iframe WordPress plugin before 1.2.0 does not properly validate one of its WordPress block attribute's content, which may allow users whose role is at least that of a contributor to conduct Stored 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 | 0.5% (top 54%) |
| CISA exploited list | No |
| Published | 2023-07-10 |
| 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-2023-2964?
simple iframe: upgrade to 1.2.0. Exact commands for each OS are on this page.
Is CVE-2023-2964 being exploited?
CVE-2023-2964 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-2023-2964 affect?
CVE-2023-2964 affects simple iframe. Severity is medium (CVSS 5.4). The Simple Iframe WordPress plugin before 1.2.0 does not properly validate one of its WordPress block attribute's content, which may allow users whose role is at least that of a contributor to conduct Stored Cross-Site Scripting attacks.
How urgent is CVE-2023-2964?
Priority 35/100. Public exploit reference