CVE-2021-24672: The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortc

Q: How do I fix CVE-2021-24672?

one user avatar: upgrade to 2.3.7. Exact commands for each OS are on this page.

Q: Is CVE-2021-24672 being exploited?

CVE-2021-24672 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-2021-24672 affect?

CVE-2021-24672 affects one user avatar. Severity is medium (CVSS 5.4). The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

Q: How urgent is CVE-2021-24672?

Priority 37/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2021-24672 is a medium-severity flaw (CVSS 5.4) affecting one user avatar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

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	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-10-18
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: onedesigns

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

Am I affected?

Timeline

2021-10-18 14:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

onedesigns one user avatar UPGRADE

Affected: < 2.3.7

Fixed in: 2.3.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy one-user-avatar || rpm -q one-user-avatar || one-user-avatar --version

2. UPGRADE to 2.3.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade one-user-avatar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade one-user-avatar

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-2021-24672?

one user avatar: upgrade to 2.3.7. Exact commands for each OS are on this page.

Is CVE-2021-24672 being exploited?

CVE-2021-24672 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-2021-24672 affect?

CVE-2021-24672 affects one user avatar. Severity is medium (CVSS 5.4). The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

How urgent is CVE-2021-24672?

Priority 37/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-24675 MEDIUM 6.5 UPGRADE The One User Avatar WordPress plugin before 2.3.7 does not check for CSRF when updating the Avatar in page whe

References

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