CVE-2021-24671 json
MX Time Zone Clocks < 3.4.1 - Contributor+ Cross-Site Scripting
published 2021-09-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11583
- cvss
- 5.4
- 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 MX Time Zone Clocks WordPress plugin before 3.4.1 does not escape the time_zone attribute of the mxmtzc_time_zone_clocks shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks
Patch / fix
- mx_time_zone_clocks_project mx_time_zone_clocks 3.4.1
Exploit prediction
0.62% 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/4e51dffa-027d-4f3d-a190-dcc5269f6435 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/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 MX Time Zone Clocks
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/4e51dffa-027d-4f3d-a190-dcc5269f6435
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24671
- NVD CVE-2021-24671
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