CVE-2023-34372: Auth

Q: How do I fix CVE-2023-34372?

spamreferrerblock: upgrade to newer than 2.22. Exact commands for each OS are on this page.

Q: Is CVE-2023-34372 being exploited?

CVE-2023-34372 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-2023-34372 affect?

CVE-2023-34372 affects spamreferrerblock. Severity is medium (CVSS 5.9). Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Didier Sampaolo SpamReferrerBlock plugin <= 2.22 versions.

Q: How urgent is CVE-2023-34372?

Priority 35/100. Public exploit reference

Routine

MEDIUM 5.9UPGRADE

CVE-2023-34372 is a medium-severity flaw (CVSS 5.9) affecting spamreferrerblock. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Didier Sampaolo SpamReferrerBlock plugin <= 2.22 versions.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-08-30
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: didcode

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

Am I affected?

Timeline

2023-08-30 16:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

didcode spamreferrerblock UPGRADE

Affected: <= 2.22

Fixed in: newer than 2.22

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy spamreferrerblock || rpm -q spamreferrerblock || spamreferrerblock --version

2. UPGRADE to newer than 2.22 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spamreferrerblock

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spamreferrerblock

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-2023-34372?

spamreferrerblock: upgrade to newer than 2.22. Exact commands for each OS are on this page.

Is CVE-2023-34372 being exploited?

CVE-2023-34372 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-2023-34372 affect?

CVE-2023-34372 affects spamreferrerblock. Severity is medium (CVSS 5.9). Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Didier Sampaolo SpamReferrerBlock plugin <= 2.22 versions.

How urgent is CVE-2023-34372?

Priority 35/100. Public exploit reference

Related CVEs

CVE-2023-34371 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in Didier Sampaolo SpamReferrerBlock plugin <= 2.22 versions.

References

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