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Vulnerabilities

Security incident · CVE-2025-24853

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sens

Published Jul 31, 2025 · catalog updated Nov 4, 2025 · Apache Software Foundation Apache JSPWiki

Check if you run it

No confirmed exploitation is on record for CVE-2025-24853. EPSS is 0.56%. Act only if a listed version of Apache Software Foundation Apache JSPWiki is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Vendor / distro source
Affected products
vendor Apache Software Foundation Apache JSPWiki 0 ≤2.12.2

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this kind of attack too. Apache JSPWiki users should upgrade to 2.12.3 or later.

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 Apache Software Foundation Apache JSPWiki 0 ≤2.12.20 ≤2.12.2

How to fix CVE-2025-24853

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-2025-24853. EPSS is 0.56%. Act only if a listed version of Apache Software Foundation Apache JSPWiki is installed.

Which versions are affected?

Compare what you have installed with Apache Software Foundation Apache JSPWiki 0 ≤2.12.2 0 ≤2.12.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.56%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 31, 2025 · EUVD

    Detected

    A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this kind of attack too. Apache JSPWiki users should upgrade to 2.12.3 or later.

  2. Nov 4, 2025 · EUVD

    Updated

    A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this kind of attack too. Apache JSPWiki users should upgrade to 2.12.3 or later.

Sources

  • CVE.orgVulnerability recordCVE-2025-24853

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-24853

    30-day exploitation probability 0.56%

    first.org
  • EUVDVulnerability recordEUVD-2025-23255

    A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown pa

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.