CVE-2022-30050 — Gnuboard 5

Gnuboard 5.55 and 5.56 is vulnerable to Cross Site Scripting (XSS) via bbs/member_confirm.php.

01What is this vulnerability?

Gnuboard 5.55 and 5.56 is vulnerable to Cross Site Scripting (XSS) via bbs/member_confirm.php.

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: 2022-05-16T16:40:24.000Z
• Last modified: 2024-08-03T06:40:47.623Z

09References

• gratis-herring-da5.notion.site — https://gratis-herring-da5.notion.site/Gnuboard-Reflected-XSS-25d593d8a2b84a46a9…