CVE-2023-31698 — Bludit v3

Bludit v3.14.1 is vulnerable to Stored Cross Site Scripting (XSS) via SVG file on site logo. NOTE: the product's security model is that users are trusted by the administrator to insert arbitrary content (users cannot create their own accounts through self-registration).

01What is this vulnerability?

Bludit v3.14.1 is vulnerable to Stored Cross Site Scripting (XSS) via SVG file on site logo. NOTE: the product's security model is that users are trusted by the administrator to insert arbitrary content (users cannot create their own accounts through self-registration).

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: 2023-05-17T00:00:00.000Z
• Last modified: 2024-08-02T14:56:35.256Z

09References

• github.com — https://github.com/bludit/bludit/issues/1509
• packetstormsecurity.com — http://packetstormsecurity.com/files/172462/Bludit-CMS-3.14.1-Cross-Site-Scripti…
• github.com — https://github.com/bludit/bludit/issues/1212#issuecomment-649514491
• github.com — https://github.com/bludit/bludit/issues/1369#issuecomment-940806199