CVE-2021-24470: The Yada Wiki WordPress plugin before 3.4.1 did not sanitise, validate or escape the anchor attribute of its s
CVE-2021-24470 is a medium-severity flaw (CVSS 5.4) affecting yada wiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Yada Wiki WordPress plugin before 3.4.1 did not sanitise, validate or escape the anchor attribute of its shortcode, leading to a Stored Cross-Site Scripting issue
Why this priority
- No elevated risk signals yet
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 |
| Weakness | CWE-79 |
| Published | 2021-08-02 |
| 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-2021-24470?
yada wiki: upgrade to 3.4.1. Exact commands for each OS are on this page.
Is CVE-2021-24470 being exploited?
CVE-2021-24470 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-2021-24470 affect?
CVE-2021-24470 affects yada wiki. Severity is medium (CVSS 5.4). The Yada Wiki WordPress plugin before 3.4.1 did not sanitise, validate or escape the anchor attribute of its shortcode, leading to a Stored Cross-Site Scripting issue
How urgent is CVE-2021-24470?
Priority 30/100. No elevated risk signals yet.