CVE-2023-1905 — The WP Popups WordPress plugin before 2

The WP Popups WordPress plugin before 2.1.5.1 does not properly escape the href attribute of its spu-facebook-page shortcode before outputting it back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-

01What is this vulnerability?

The WP Popups WordPress plugin before 2.1.5.1 does not properly escape the href attribute of its spu-facebook-page shortcode before outputting it back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks. This is due to an insufficient fix of CVE-2023-24003

02Affected products

Vendor	Product	Versions
Unknown	WP Popups	0

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

08Timeline

• Published: 2023-05-08T13:58:00.447Z
• Last modified: 2025-01-29T15:12:00.519Z

09References

• wpscan.com — https://wpscan.com/vulnerability/b6ac3e15-6f39-4514-a50d-cca7b9457736