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Vulnerabilities

Vulnerability · CVE-2025-46549

YesWiki is a wiki system written in PHP.

Published Apr 29, 2025 · catalog updated Apr 30, 2025 · YesWiki

Check if you run it

No confirmed exploitation is on record for CVE-2025-46549. EPSS is 0.54%. Act only if a listed version of YesWiki is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.54%
Remediation
Version ranges on file
Affected products
vendor YesWiki yeswiki < 4.5.4

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content. This issue has been patched in version 4.5.4.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor YesWiki yeswiki < 4.5.4< 4.5.4

How to fix CVE-2025-46549

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-46549. EPSS is 0.54%. Act only if a listed version of YesWiki is installed.

Which versions are affected?

Compare what you have installed with YesWiki yeswiki < 4.5.4 < 4.5.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.54%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 29, 2025 · EUVD

    Detected

    YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content. This issue has been patched

  2. Apr 30, 2025 · EUVD

    Updated

    YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content. This issue has been patched

Sources

  • CVE.orgVulnerability recordCVE-2025-46549

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-46549

    30-day exploitation probability 0.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12663

    YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. Th

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.