How severe is CVE-2022-50955?

CVE-2022-50955 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-50955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2022-50955?

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

Does CVE-2022-50955 have an EU (EUVD) identifier?

Yes. CVE-2022-50955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55976.

When was CVE-2022-50955 published?

CVE-2022-50955 was published on 2026-05-10 and last updated on 2026-06-17.

CVE-2022-50955

CVE-2022-50955 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-55976
Weakness: CWE-352
Published: 2026-05-10
Last modified: 2026-06-17

Description

WordPress Plugin Curtain 1.0.2 contains a cross-site request forgery vulnerability that allows attackers to activate or deactivate site maintenance mode by crafting malicious requests. Attackers can trick authenticated administrators into submitting forged requests to the options-general.php page with curtain parameters to toggle maintenance mode without valid nonce validation.

Frequently asked questions

What is CVE-2022-50955?: WordPress Plugin Curtain 1.0.2 contains a cross-site request forgery vulnerability that allows attackers to activate or deactivate site maintenance mode by crafting malicious requests. Attackers can trick authenticated administrators into submitting forged requests to the options-general.php page with curtain parameters to toggle maintenance mode without valid nonce validation.
How severe is CVE-2022-50955?: CVE-2022-50955 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-50955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-50955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-50955 have an EU (EUVD) identifier?: Yes. CVE-2022-50955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55976.
When was CVE-2022-50955 published?: CVE-2022-50955 was published on 2026-05-10 and last updated on 2026-06-17.

References

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