CVE-2026-22210

CVE-2026-22210 is a medium-severity vulnerability in Gvectors Wpdiscuz with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

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.

Frequently asked questions

What is CVE-2026-22210?
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.
How severe is CVE-2026-22210?
CVE-2026-22210 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-22210 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22210?
CVE-2026-22210 affects Gvectors Wpdiscuz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22210?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22210 have an EU (EUVD) identifier?
Yes. CVE-2026-22210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11751.
When was CVE-2026-22210 published?
CVE-2026-22210 was published on 2026-03-13 and last updated on 2026-06-17.

References

Affected products (1)

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