WordPress Custom Sidebars by ProteusThemes plugin <= 1.0.3 - Cross Site Request Forgery (CSRF) vulnerability

published 2025-12-09 11 mo ago modified 2026-10-14 25 d ago also EUVD-2025-202027

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

Cross-Site Request Forgery (CSRF) vulnerability in ProteusThemes Custom Sidebars by ProteusThemes custom-sidebars-by-proteusthemes allows Cross Site Request Forgery.This issue affects Custom Sidebars by ProteusThemes: from n/a through <= 1.0.3.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-10)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

ProteusThemes Custom Sidebars by ProteusThemes

Classification

Weakness

CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/custom-sidebars-by-proteusthemes/vulnerability/wordpress-custom-sidebars-by-proteus
vdb-entry

Sources

CVE List CVE-2025-62733
NVD CVE-2025-62733

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.

Summary