CVE-2021-24510 json
MF Gig Calendar < 1.2 - Reflected Cross-Site Scripting (XSS)
published 5y ago modified 4mo ago also EUVD-2021-11422
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The MF Gig Calendar WordPress plugin before 1.2 does not sanitise and escape the id GET parameter before outputting back in the admin dashboard when editing an Event, leading to a reflected Cross-Site Scripting issue
Patch / fix
- Unknown MF Gig Calendar 1.2
Is CVE-2021-24510 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.82% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template WordPress MF Gig Calendar <=1.1 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/715721b0-13a1-413a-864d-2380f38ecd39 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Unknown MF Gig Calendar
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/715721b0-13a1-413a-864d-2380f38ecd39
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2021-24510
- NVD CVE-2021-24510
Fencer Intel 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.