CVE-2021-24878 json
SupportCandy < 2.2.7 - Reflected Cross-Site Scripting
published 2022-02-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11790
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The SupportCandy WordPress plugin before 2.2.7 does not sanitise and escape the query string before outputting it back in pages with the [wpsc_create_ticket] shortcode embed, leading to a Reflected Cross-Site Scripting issue
Patch / fix
- supportcandy supportcandy 2.2.7
Exploit prediction
1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template SupportCandy < 2.2.7 - Reflected Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/d2f1fd60-5e5e-4e38-9559-ba2d14ae37bf 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 SupportCandy – Helpdesk & Support Ticket System
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/d2f1fd60-5e5e-4e38-9559-ba2d14ae37bf
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24878
- NVD CVE-2021-24878
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.