5.3

CVE-2026-85588: phpMyFAQ before 4.1.8 TOTP Secret Exposure via Data Export

Deferred
Published 04-09-2026Last modified 14-09-2026

Vulnerability summary

CVE-2026-85588 is a medium (CVSS 5.3) vulnerability in thorsten phpmyfaq. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.53%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2026
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

Description

phpMyFAQ versions before 4.1.8 include live TOTP shared secrets in plaintext within user data export ZIP files. Attackers obtaining exported archives can extract the TOTP seed and generate valid one-time codes to bypass two-factor authentication.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

Increase +0.16 pp

From 0.38% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Thorsten1 product

1 vendor · 1 product

References

2 links