CVE-2023-1905: The WP Popups WordPress plugin before 2.1.5.1 does not properly escape the href attribute of its spu-facebook-

Q: How do I fix CVE-2023-1905?

wp popups: upgrade to 2.1.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-1905 being exploited?

CVE-2023-1905 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-1905 affect?

CVE-2023-1905 affects wp popups. Severity is medium (CVSS 5.4). 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

Q: How urgent is CVE-2023-1905?

Priority 34/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-1905 is a medium-severity flaw (CVSS 5.4) affecting wp popups. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Published	2023-05-08
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: timersys

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-08 14:15 UTCPublished CVE record published
2026-06-17 05:29 UTCUpdated Record last modified

timersys wp popups UPGRADE

Affected: < 2.1.5.1

Fixed in: 2.1.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-popups || rpm -q wp-popups || wp-popups --version

2. UPGRADE to 2.1.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-popups

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-popups

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-1905?

wp popups: upgrade to 2.1.5.1. Exact commands for each OS are on this page.

Is CVE-2023-1905 being exploited?

CVE-2023-1905 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-1905 affect?

CVE-2023-1905 affects wp popups. Severity is medium (CVSS 5.4). 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

How urgent is CVE-2023-1905?

Priority 34/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-24003 MEDIUM 6.5 UPGRADE Auth
CVE-2022-4716 MEDIUM 5.4 UPGRADE The WP Popups WordPress plugin before 2.1.4.8 does not validate and escape some of its shortcode attributes be

References

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