CVE-2026-14824 json
Quiz And Survey Master < 11.2.2 - Contributor+ Stored XSS via Polar Question
published 2026-08-04 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-52585
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
The Quiz and Survey Master (QSM) WordPress plugin before 11.2.2 does not properly escape a question setting before outputting it into an unquoted HTML attribute, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes in the browser of any user viewing the affected quiz.
Patch / fix
- Unknown Quiz and Survey Master (QSM) 11.2.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ba8f3e6b-c2c9-4e72-825c-b98b4330c254/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown Quiz and Survey Master (QSM)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/ba8f3e6b-c2c9-4e72-825c-b98b4330c254/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-14824
- NVD CVE-2026-14824
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.