CVE-2023-31466 — An XSS issue was discovered in FSMLabs TimeKeeper 8

An XSS issue was discovered in FSMLabs TimeKeeper 8.0.17. On the "Configuration -> Compliance -> Add a new compliance report" and "Configuration -> Timekeeper Configuration -> Add a new source there" screens, there are entry points to inject JavaSc

01What is this vulnerability?

An XSS issue was discovered in FSMLabs TimeKeeper 8.0.17. On the "Configuration -> Compliance -> Add a new compliance report" and "Configuration -> Timekeeper Configuration -> Add a new source there" screens, there are entry points to inject JavaScript code.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-07-26T00:00:00.000Z
• Last modified: 2024-08-02T14:53:30.753Z

09References

• fsmlabs.com — https://fsmlabs.com/fsmlabs-cybersecurity/
• github.com — https://github.com/CapgeminiCisRedTeam/Disclosure/blob/main/CVE%20PoC/CVE-2023-3…