CVE-2022-42000 — Cross-site Scripting (XSS) vulnerability in BlueSpiceSocialProfile extension of

Cross-site Scripting (XSS) vulnerability in BlueSpiceSocialProfile extension of BlueSpice allows user with comment permissions to inject arbitrary HTML into the comment section of a wikipage.

01What is this vulnerability?

Cross-site Scripting (XSS) vulnerability in BlueSpiceSocialProfile extension of BlueSpice allows user with comment permissions to inject arbitrary HTML into the comment section of a wikipage.

02Affected products

Vendor	Product	Versions
Hallo Welt! GmbH	BlueSpice	4

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: 2022-11-15T14:24:50.697Z
• Last modified: 2025-04-28T20:13:51.117Z

09References

• en.wiki.bluespice.com — https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2022-04