CVE-2018-7717 — The htmlImageAddTitleAttribute function in sige

The htmlImageAddTitleAttribute function in sige.php in the Kubik-Rubik Simple Image Gallery Extended (SIGE) extension 3.2.3 for Joomla! has XSS via a crafted image header, as demonstrated by the Caption-Abstract header object in a JPEG file. This is fixed in 3.3.1.

01What is this vulnerability?

The htmlImageAddTitleAttribute function in sige.php in the Kubik-Rubik Simple Image Gallery Extended (SIGE) extension 3.2.3 for Joomla! has XSS via a crafted image header, as demonstrated by the Caption-Abstract header object in a JPEG file. This is fixed in 3.3.1.

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: 2018-03-05T23:00:00.000Z
• Last modified: 2024-09-17T02:00:50.832Z

09References

• debugtrap.com — http://debugtrap.com/2018/03/01/joomla_sige_xss/