Medium 6.5Published Jul 30, 2026

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

Updated under an hour ago (Oct 26, 2026, 7:40 PM ET)

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It affects Apache Software Foundation Apache JSPWiki and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache JSPWiki

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-80
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jul 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache JSPWiki apache_software_foundation:apache_jspwiki (from the name)	through 2.12.3	CNA record
apache jspwiki apache:jspwiki	before 2.12.4	NVD

References

References

https://lists.apache.org/thread/yvbdjnocw5qq3xkbjs9h77ghlg0bsw2c	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/07/30/18	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.