CVE-2026-14821: unknown quiz and survey master (qsm) Missing Authorization
CVSS: 4.3v3.1MediumDeferred
Published 28-07-2026Last modified 28-07-2026
Vulnerability summary
CVE-2026-14821 is a medium (CVSS 4.3) Missing Authorization vulnerability in unknown quiz and survey master (qsm). EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.2% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 11.1.5.
CVSS score
4.3/10
010
Medium · v3.1 (wordfence)EPSS score
0.28%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 28-07-2026PublishedVulnerability first disclosed.
- 28-07-2026Last modifiedVulnerability information updated.
Description
The Quiz and Survey Master (QSM) WordPress plugin before 11.1.5 does not perform a capability check before deleting output templates, allowing users with contributor-level access and above to delete arbitrary templates.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 4.3Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NSources3 sources · 2.7–4.3
- CVE.orgCNA2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NDiffers
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.11 pp
From 0.17% on 18-09-2026
18-09-202618-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- quiz and survey master (qsm)< 11.1.5
Wordpress1 product
- quiz-master-next≤ 11.1.4 (fixed in 11.1.5)
2 vendors · 2 products