Stars Rating < 3.5.1 - Comments Denial of Service

published 2022-01-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11805

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

The Stars Rating WordPress plugin before 3.5.1 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the comments section, or pending comment dashboard depending if the user sent it as unauthenticated or authenticated.

Patch / fix

fixed in 1

stars_rating_project stars_rating 3.5.1

Exploit prediction

1.60% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Unknown Stars Rating

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption
CWE-20 Improper Input Validation

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58
exploit, third-party-advisory

Sources

CVE List CVE-2021-24893
NVD CVE-2021-24893

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