CVE-2023-1780: The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters bef

Q: How do I fix CVE-2023-1780?

companion sitemap generator: upgrade to 4.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-1780 being exploited?

CVE-2023-1780 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-2023-1780 affect?

CVE-2023-1780 affects companion sitemap generator. Severity is medium (CVSS 6.1). The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such

Q: How urgent is CVE-2023-1780?

Priority 42/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2023-1780 is a medium-severity flaw (CVSS 6.1) affecting companion sitemap generator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-07-10
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: codeermeneer

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

Am I affected?

Timeline

2023-07-10 16:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

codeermeneer companion sitemap generator UPGRADE

Affected: < 4.5.3

Fixed in: 4.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy companion-sitemap-generator || rpm -q companion-sitemap-generator || companion-sitemap-generator --version

2. UPGRADE to 4.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade companion-sitemap-generator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade companion-sitemap-generator

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Companion Sitemap Generator < 4.5.3 - Cross-Site Scripting

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-2023-1780?

companion sitemap generator: upgrade to 4.5.3. Exact commands for each OS are on this page.

Is CVE-2023-1780 being exploited?

CVE-2023-1780 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-2023-1780 affect?

CVE-2023-1780 affects companion sitemap generator. Severity is medium (CVSS 6.1). The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such

How urgent is CVE-2023-1780?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-0066 MEDIUM 5.4 UPGRADE The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shor

References

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