Vulnerability · Published Jul 30, 2026 · Assigned by apache

CVE-2026-48910Apache JSPWiki: Markdown parser allows XSS injection in Markdown error processing

Medium 6.5

In plain English

A medium-severity security flaw in Apache JSPWiki from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.6%top 53.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A carefully crafted editing request could trigger an XSS vulnerability on Apache JSPWiki when parsing errors on the markdown renderer, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. This issue affects Apache JSPWiki: through 2.12.3. Users are recommended to upgrade to version 2.12.4, which fixes the issue.

Affected products (as reported)

Vendor	Product	Versions
Apache Software Foundation	Apache JSPWiki	0 – through 2.12.3

Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

In plain English

Official description

Affected products (as reported)

References