CVE-2022-25020: A cross-site scripting (XSS) vulnerability in Pluxml v5.8.7 allows attackers to execute arbitrary web scripts

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MEDIUM 5.4DOWNGRADE

CVE-2022-25020 is a medium-severity flaw (CVSS 5.4) affecting pluxml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability in Pluxml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the thumbnail path of a blog post.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-03-01
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: pluxml

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-03-01 02:15 UTCPublished CVE record published
2026-07-09 01:17 UTCUpdated Record last modified

pluxml pluxml DOWNGRADE

Affected: 5.8.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.8.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.8.7 (Debian / Ubuntu)

apt-cache madison pluxml sudo apt install pluxml=<VERSION_BEFORE_5.8.7> sudo apt-mark hold pluxml

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pluxml sudo dnf downgrade pluxml-<VERSION_BEFORE_5.8.7> sudo dnf versionlock add pluxml

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-25020?

pluxml: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-25020 being exploited?

CVE-2022-25020 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-2022-25020 affect?

CVE-2022-25020 affects pluxml. Severity is medium (CVSS 5.4). A cross-site scripting (XSS) vulnerability in Pluxml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the thumbnail path of a blog post.

How urgent is CVE-2022-25020?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2025-15438 MEDIUM 4.7 UPGRADE A vulnerability was determined in PluXml up to 5.8.22
CVE-2022-25018 HIGH 8.8 DOWNGRADE Pluxml v5.8.7 was discovered to allow attackers to execute arbitrary code via crafted PHP code inserted into s
CVE-2026-24352 CRITICAL 9.8 DOWNGRADE PluXml CMS allows a user's session identifier to be set before authentication
CVE-2026-24351 MEDIUM 5.4 DOWNGRADE PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality
CVE-2026-24350 MEDIUM 5.4 DOWNGRADE PluXml CMS is vulnerable to Stored XSS in file uploading functionality

References

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