CVE-2021-24793: The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign

Q: How do I fix CVE-2021-24793?

wpematico rss feed fetcher: upgrade to 2.6.12. Exact commands for each OS are on this page.

Q: Is CVE-2021-24793 being exploited?

CVE-2021-24793 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-2021-24793 affect?

CVE-2021-24793 affects wpematico rss feed fetcher. Severity is medium (CVSS 4.8). The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfilte

Q: How urgent is CVE-2021-24793?

Priority 34/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2021-24793 is a medium-severity flaw (CVSS 4.8) affecting wpematico rss feed fetcher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-11-01
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: etruel

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

Am I affected?

Timeline

2021-11-01 09:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

etruel wpematico rss feed fetcher UPGRADE

Affected: < 2.6.12

Fixed in: 2.6.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wpematico-rss-feed-fetcher || rpm -q wpematico-rss-feed-fetcher || wpematico-rss-feed-fetcher --version

2. UPGRADE to 2.6.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wpematico-rss-feed-fetcher

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wpematico-rss-feed-fetcher

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-2021-24793?

wpematico rss feed fetcher: upgrade to 2.6.12. Exact commands for each OS are on this page.

Is CVE-2021-24793 being exploited?

CVE-2021-24793 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-2021-24793 affect?

CVE-2021-24793 affects wpematico rss feed fetcher. Severity is medium (CVSS 4.8). The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfilte

How urgent is CVE-2021-24793?

Priority 34/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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