SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-24433

The simple sort&search WordPress plugin through 0.0.3 does not make sure that the indexurl parameter of the shortcodes "category_sims", "order_sims", "orderby_sims", "period_sims", and "tag_sims" use allowed URL protocols, which can lead to stored…

MEDIUM 5.4EPSS 0.43%

Does this matter?

Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.

Description

The simple sort&search WordPress plugin through 0.0.3 does not make sure that the indexurl parameter of the shortcodes "category_sims", "order_sims", "orderby_sims", "period_sims", and "tag_sims" use allowed URL protocols, which can lead to stored cross-site scripting by users with a role as low as Contributor

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.43% probability · 37th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
yukimichi/simple sort\&search
Source
contact@wpscan.com
EPSS trend
0%3%5%26 October 2026: 0.43%26 October 202626 October 2026

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.