CVE-2026-22183: wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview func

Q: How do I fix CVE-2026-22183?

wpdiscuz: upgrade to 7.6.47. Exact commands for each OS are on this page.

Q: Is CVE-2026-22183 being exploited?

CVE-2026-22183 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-22183 affect?

CVE-2026-22183 affects wpdiscuz. Severity is medium (CVSS 6.1). wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers wit

Q: How urgent is CVE-2026-22183?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-22183 is a medium-severity flaw (CVSS 6.1) 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 stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers with unfiltered_html capabilities can inject JavaScript directly through comment content rendered in the AJAX response from the getLastInlineComments() function in class.WpdiscuzHelperAjax.php without proper HTML

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-13
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: gvectors

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

Am I affected?

Timeline

2026-03-13 19:54 UTCPublished CVE record published
2026-06-17 10:19 UTCUpdated Record last modified

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-2026-22183?

wpdiscuz: upgrade to 7.6.47. Exact commands for each OS are on this page.

Is CVE-2026-22183 being exploited?

CVE-2026-22183 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-2026-22183 affect?

CVE-2026-22183 affects wpdiscuz. Severity is medium (CVSS 6.1). wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers wit

How urgent is CVE-2026-22183?

Priority 23/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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