CVE-2022-29420 — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Adam Skaat Countdown & Clock (WordPress plugin) countdown-builder allows Stored XSS.This issue affects Countdown & Clock (WordPress plugin): from n/a thr

01What is this vulnerability?

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Adam Skaat Countdown & Clock (WordPress plugin) countdown-builder allows Stored XSS.This issue affects Countdown & Clock (WordPress plugin): from n/a through 2.3.2.

02Affected products

Vendor	Product	Versions
Adam Skaat	Countdown & Clock (WordPress plugin)	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-05-06T16:53:30.706Z
• Last modified: 2024-09-16T23:26:27.890Z

09References

• patchstack.com — https://patchstack.com/database/vulnerability/countdown-builder/wordpress-countd…