CVE-2025-24853: jspwiki XSS — Fix

Description

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
apache	jspwiki	< 2.12.3

References

Advisories & Patches

https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2025-24853

Other References

http://www.openwall.com/lists/oss-security/2025/07/30/2

Frequently Asked Questions

What is 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 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-24853? +

CVE-2025-24853 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-24853? +

CVE-2025-24853 affects products from apache, specifically: jspwiki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-24853? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-24853