CVE-2026-22210: wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious
CVE-2026-22210 is a medium-severity flaw (CVSS 4.4) affecting wpdiscuz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class. Attackers can craft malicious attachment records or filter hooks to inject arbitrary JavaScript into img and anchor tag attributes, executing code in the context of WordPress users viewing comments.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-03-13 |
| 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-2026-22210?
wpdiscuz: upgrade to 7.6.47. Exact commands for each OS are on this page.
Is CVE-2026-22210 being exploited?
CVE-2026-22210 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-2026-22210 affect?
CVE-2026-22210 affects wpdiscuz. Severity is medium (CVSS 4.4). wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class. Attackers can craft malicious
How urgent is CVE-2026-22210?
Priority 17/100. No elevated risk signals yet.
Software pages
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