WordPress Related Post Plugin <= 2.0.53 is vulnerable to Cross Site Scripting (XSS)

published 2024-02-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56366

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PickPlugins Related Post allows Stored XSS.This issue affects Related Post: from n/a through 2.0.53.

Patch / fix

fixed in 1

PickPlugins Related Post 2.0.54

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-02-01)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

PickPlugins Related Post

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/related-post/wordpress-related-post-plugin-2-0-53-cross-site-scripting-xss-vulnerabili
vdb-entry, third-party-advisory

Sources

CVE List CVE-2023-51666
NVD CVE-2023-51666

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