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CVE-2026-79615

LOW 2.7 PoC AVAILABLE

Published 2026-08-28 · Last modified 2026-08-28

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not check authorisation when returning question bank entries through one of its REST API routes, allowing users with a role as low as Contributor to read the questions, hints and correct answer keys of quizzes belonging to other users.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.1%chance of exploitation in 30 days · 4th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

2.7CVSS 3.1 · LOW

  • ConfidentialityLow
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires an admin / high-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-79615/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-79615/poc.json

Affected

Vendors Unknown

Products Quiz And Survey Master (Qsm)

Weakness (CWE)

  • CWE-639: Authorization Bypass Through User-Controlled Key

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

All CVSS metrics

  • LOW 2.7 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
  • LOW 2.7 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

References

Exploits & PoC

Sources: NVD · CVE.org · EPSS