CVE-2022-47407 — An issue was discovered in the fp_masterquiz (aka Master-Quiz) extension before

An issue was discovered in the fp_masterquiz (aka Master-Quiz) extension before 2.2.1, and 3.x before 3.5.1, for TYPO3. An attacker can continue the quiz of a different user. In doing so, the attacker can view that user's answers and modify those answers.

01What is this vulnerability?

An issue was discovered in the fp_masterquiz (aka Master-Quiz) extension before 2.2.1, and 3.x before 3.5.1, for TYPO3. An attacker can continue the quiz of a different user. In doing so, the attacker can view that user's answers and modify those answers.

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: 2022-12-14T00:00:00.000Z
• Last modified: 2025-04-21T18:59:40.712Z

09References

• typo3.org — https://typo3.org/security/advisory/typo3-ext-sa-2022-018