CVE-2023-24038 — The HTML-StripScripts module through 1

The HTML-StripScripts module through 1.06 for Perl allows _hss_attval_style ReDoS because of catastrophic backtracking for HTML content with certain style attributes.

01What is this vulnerability?

The HTML-StripScripts module through 1.06 for Perl allows _hss_attval_style ReDoS because of catastrophic backtracking for HTML content with certain style attributes.

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: 2023-01-21T00:00:00.000Z
• Last modified: 2025-04-02T15:58:39.418Z

09References

• github.com — https://github.com/clintongormley/perl-html-stripscripts/issues/3
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/01/msg00036.html
• www.debian.org — https://www.debian.org/security/2023/dsa-5339
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…