How severe is CVE-2022-42985?

CVE-2022-42985 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-42985 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42985?

CVE-2022-42985 affects Scratch-wiki Scratch Login. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42985?

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

When was CVE-2022-42985 published?

CVE-2022-42985 was published on 2022-11-17 and last updated on 2026-06-17.

CVE-2022-42985

CVE-2022-42985 is a medium-severity vulnerability in Scratch-wiki Scratch Login with a CVSS 3.x base score of 4.8. 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 4.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Scratch-wiki Scratch Login
Published: 2022-11-17
Last modified: 2026-06-17

Description

The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages, which allows users with administrator privileges to perform cross-site scripting (XSS).

Frequently asked questions

What is CVE-2022-42985?: The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages, which allows users with administrator privileges to perform cross-site scripting (XSS).
How severe is CVE-2022-42985?: CVE-2022-42985 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-42985 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42985?: CVE-2022-42985 affects Scratch-wiki Scratch Login. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42985?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42985 published?: CVE-2022-42985 was published on 2022-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:scratch-wiki:scratch_login:*:*:*:*:*:mediawiki:*:*

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