Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-22210: wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious

17
Routine
MEDIUM 4.4UPGRADE

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 score4.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededLow
User interactionRequired
EPSS exploit chance0.2% (top 94%)
CISA exploited listNo
WeaknessCWE-79
Published2026-03-13
Last modified2026-06-17
Publisher (CNA): VulnCheck · Vendor: gvectors

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

gvectors wpdiscuz UPGRADE
Affected: < 7.6.47
Fixed in: 7.6.47
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy wpdiscuz || rpm -q wpdiscuz || wpdiscuz --version
2. UPGRADE to 7.6.47 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade wpdiscuz
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade wpdiscuz
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
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

WordPress vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.