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Vulnerabilities

Vulnerability · CVE-2025-40642

Reflected Cross-Site Scripting (XSS) vulnerability in WebWork, which allows remote attackers to execute arbitrary code through the 'q' and 'engine' request parameters in /search.

Published Sep 8, 2025 · catalog updated Sep 8, 2025 · WebWork WebWork PHP script

Check this week

CVE-2025-40642 is not in CISA KEV. FIRST estimates a 52.00% chance of exploitation in the next 30 days. Check whether you run WebWork WebWork PHP script.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
52.00%
Remediation
Vendor / distro source
Affected products
vendor WebWork WebWork PHP script all versions

Reflected Cross-Site Scripting (XSS) vulnerability in WebWork, which allows remote attackers to execute arbitrary code through the 'q' and 'engine' request parameters in /search.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor WebWork WebWork PHP script all versionsall versions

How to fix CVE-2025-40642

  • Recommended remediation

    A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-40642 is not in CISA KEV. FIRST estimates a 52.00% chance of exploitation in the next 30 days. Check whether you run WebWork WebWork PHP script.

Which versions are affected?

Compare what you have installed with WebWork WebWork PHP script all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 52.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 8, 2025 · EUVD

    Detected

    Reflected Cross-Site Scripting (XSS) vulnerability in WebWork, which allows remote attackers to execute arbitrary code through the 'q' and 'engine' request parameters in /search.

  2. Sep 8, 2025 · EUVD

    Updated

    Reflected Cross-Site Scripting (XSS) vulnerability in WebWork, which allows remote attackers to execute arbitrary code through the 'q' and 'engine' request parameters in /search.

Sources

  • EUVDVulnerability recordEUVD-2025-27136

    Reflected Cross-Site Scripting (XSS) vulnerability in WebWork, which allows remote attackers to execute arbitrary code through the 'q' and 'engine' request parameters in /search.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Sep 8, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.