CVE-2025-21572: OpenGrok 1.13.25 has a reflected Cross-Site Scripting (XSS) issue when producing the history view page

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-21572 is a medium-severity flaw (CVSS 6.1) affecting opengrok. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenGrok 1.13.25 has a reflected Cross-Site Scripting (XSS) issue when producing the history view page. This happens through improper handling of path segments. The application reflects unsanitized user input into the HTML output.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-02
Last modified	2026-06-17

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-02 22:15 UTCPublished CVE record published
2026-06-17 08:43 UTCUpdated Record last modified

oracle opengrok DOWNGRADE

Affected: 1.13.25

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.13.25

1. Check installed version

apt-cache policy opengrok || rpm -q opengrok || opengrok --version

2. No fixed release: DOWNGRADE to a release before 1.13.25 (Debian / Ubuntu)

apt-cache madison opengrok sudo apt install opengrok=<VERSION_BEFORE_1.13.25> sudo apt-mark hold opengrok

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list opengrok sudo dnf downgrade opengrok-<VERSION_BEFORE_1.13.25> sudo dnf versionlock add opengrok

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-21572?

opengrok: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-21572 being exploited?

CVE-2025-21572 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-21572 affect?

CVE-2025-21572 affects opengrok. Severity is medium (CVSS 6.1). OpenGrok 1.13.25 has a reflected Cross-Site Scripting (XSS) issue when producing the history view page. This happens through improper handling of path segments. The application reflects unsanitized user input into the HTML output.

How urgent is CVE-2025-21572?

Priority 25/100. No elevated risk signals yet.

Related CVEs

CVE-2025-30755 MEDIUM 6.1 DOWNGRADE OpenGrok 1.14.1 has a reflected Cross-Site Scripting (XSS) issue when producing the cross reference page

References

← Back to latest CVEs