CVE-2021-24332 json
Autoptimize < 2.8.4 - Authenticated Stored Cross-Site Scripting (XSS)
published 2021-05-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11245
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
The Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in some of its settings, allowing high privilege users to set XSS payloads in them, leading to stored Cross-Site Scripting issues
Patch / fix
- autoptimize autoptimize 2.8.4
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/6678e064-ce21-4bb2-8c50-061073fb22fb referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Autoptimize
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
Sources
- CVE List CVE-2021-24332
- NVD CVE-2021-24332
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.