Vulnerability · CVE-2021-24878
supportcandy supportcandy Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published Jan 5, 2022 · catalog updated Jan 5, 2022 · supportcandy supportcandy Improper Neutralization
Patch now
CVE-2021-24878 is in the CISA known-exploited catalog. Confirm supportcandy supportcandy Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (supportcandy supportcandy Improper Neutralization).
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Unknown—
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 1.17%
- Remediation
- Remediation guidance
- Affected products
- vendor supportcandy supportcandy
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
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor supportcandy supportcandyversion unspecified
How to fix CVE-2021-24878
Recommended remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2021-24878 is in the CISA known-exploited catalog. Confirm supportcandy supportcandy Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
No weakness class is stored. EPSS 1.17%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 5, 2022 · VulnCheck KEV
Detected
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
Jan 5, 2022 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Sources
- CVE.orgVulnerability recordCVE-2021-24878
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-24878
30-day exploitation probability 1.2%
first.org - VulnCheck KEVConfirmed exploitationCVE-2021-24878
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
vulncheck.com
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.