CVE-2024-13669: CalendApp (WordPress plugin) · Cross-Site Scripting (XSS)
Affects CalendApp (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| CalendApp | Affected
| Fixed in– |
AI-suggested
1. Immediately audit all WordPress installations for the presence of the CalendApp plugin and identify affected versions (up to 1.1). 2. Disable or uninstall the CalendApp plugin until an official patch or update is released that addresses the XSS vulnerability. 3. Implement Web Application Firewall (WAF) rules to detect and block suspicious input patterns or reflected XSS payloads targeting the plugin’s parameters. 4. Educate administrators and privileged users about the risk of clicking on untrusted links, especially those that may contain malicious payloads. 5. Monitor web server and application logs for unusual requests containing suspicious parameters that could indicate exploitation attempts. 6. Once a patch is available, apply it promptly and verify that input sanitization and output escaping are correctly implemented. 7. Consider employing Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the browser context. 8. Regularly review and update WordPress plugins and core to minimize exposure to known vulnerabilities.
Description
The CalendApp WordPress plugin through 1.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.