How severe is CVE-2022-50958?

CVE-2022-50958 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-50958 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2022-50958?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2022-50958 have an EU (EUVD) identifier?

Yes. CVE-2022-50958 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55979.

When was CVE-2022-50958 published?

CVE-2022-50958 was published on 2026-05-10 and last updated on 2026-06-17.

CVE-2022-50958

CVE-2022-50958 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-55979
Weakness: CWE-79
Published: 2026-05-10
Last modified: 2026-06-17

Description

WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.

Frequently asked questions

What is CVE-2022-50958?: WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.
How severe is CVE-2022-50958?: CVE-2022-50958 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-50958 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-50958?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-50958 have an EU (EUVD) identifier?: Yes. CVE-2022-50958 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55979.
When was CVE-2022-50958 published?: CVE-2022-50958 was published on 2026-05-10 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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