WP Plugin Lister <= 2.1.0 - Settings Update to Stored XSS via CSRF

published 2024-01-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58734

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits: 0; none known

The WP Plugin Lister WordPress plugin through 2.1.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-05)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/0d95de23-e8f6-4342-b19c-57cd22b2fee2/ referenced PoC, tagged "exploit" by a source, unverified
magos-securitas.com https://magos-securitas.com/txt/CVE-2023-6503.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products

Unknown WP Plugin Lister

Classification

Weakness

CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/0d95de23-e8f6-4342-b19c-57cd22b2fee2/
exploit, vdb-entry, technical-description, third-party-advisory
magos-securitas.com /txt/CVE-2023-6503.txt
exploit

Sources

CVE List CVE-2023-6503
NVD CVE-2023-6503

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