How severe is CVE-2022-50940?

CVE-2022-50940 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-50940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2022-50940?

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

Does CVE-2022-50940 have an EU (EUVD) identifier?

Yes. CVE-2022-50940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55950.

When was CVE-2022-50940 published?

CVE-2022-50940 was published on 2026-02-01 and last updated on 2026-06-17.

CVE-2022-50940

CVE-2022-50940 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-55950
Weakness: CWE-79
Published: 2026-02-01
Last modified: 2026-06-17

Description

Knap Advanced PHP Login 3.1.3 contains a persistent cross-site scripting vulnerability that allows remote attackers to inject malicious script code in the name parameter. Attackers can exploit the vulnerability to execute arbitrary scripts in users and activity log backend modules, potentially leading to session hijacking and persistent phishing attacks.

Frequently asked questions

What is CVE-2022-50940?: Knap Advanced PHP Login 3.1.3 contains a persistent cross-site scripting vulnerability that allows remote attackers to inject malicious script code in the name parameter. Attackers can exploit the vulnerability to execute arbitrary scripts in users and activity log backend modules, potentially leading to session hijacking and persistent phishing attacks.
How severe is CVE-2022-50940?: CVE-2022-50940 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-50940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-50940?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-50940 have an EU (EUVD) identifier?: Yes. CVE-2022-50940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55950.
When was CVE-2022-50940 published?: CVE-2022-50940 was published on 2026-02-01 and last updated on 2026-06-17.

References

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