4.3

CVE-2026-2278: vowelweb vw writer blog Missing Authorization

CVSS: 4.3v3.1MediumDeferred
Published 19-09-2026Last modified 19-09-2026
Open JSON

Vulnerability summary

CVE-2026-2278 is a medium (CVSS 4.3) Missing Authorization vulnerability in vowelweb vw writer blog. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 8.7% of scored vulnerabilities. Fixed in 1.3.9.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-09-2026
    PublishedVulnerability first disclosed.
  2. 19-09-2026
    Last modifiedVulnerability information updated.

Description

The VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vowelweb1 product
Wordpress1 product
  • vw-writer-blog≤ 1.3.8 (fixed in 1.3.9)

2 vendors · 2 products

References

5 links