CVE-2023-4879 — Cross-site Scripting (XSS) - Stored in GitHub repository instantsoft/icms2 prior

Cross-site Scripting (XSS) - Stored in GitHub repository instantsoft/icms2 prior to 2.16.1.-git.

01What is this vulnerability?

Cross-site Scripting (XSS) - Stored in GitHub repository instantsoft/icms2 prior to 2.16.1.-git.

02Affected products

Vendor	Product	Versions
instantsoft	instantsoft/icms2	unspecified

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: 2023-09-10T17:53:35.787Z
• Last modified: 2024-09-26T15:32:29.131Z

09References

• huntr.dev — https://huntr.dev/bounties/7df6b167-3c39-4563-9b8a-33613e25cf27
• github.com — https://github.com/instantsoft/icms2/commit/d0aeeaf5979fbdbf80dc3a3227d6c58442ab…