CVE-2023-0650: A vulnerability was found in YAFNET up to 3.1.11 and classified as problematic

Q: How do I fix CVE-2023-0650?

yaf.net: upgrade to newer than 3.1.11. Exact commands for each OS are on this page.

Q: Is CVE-2023-0650 being exploited?

CVE-2023-0650 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0650 affect?

CVE-2023-0650 affects yaf.net. Severity is low (CVSS 3.5). A vulnerability was found in YAFNET up to 3.1.11 and classified as problematic. This issue affects some unknown processing of the component Signature Handler. The manipulation leads to cross site scripting. The attack may be initiated remot

Q: How urgent is CVE-2023-0650?

Priority 30/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2023-0650 is a low-severity flaw (CVSS 3.5) affecting yaf.net. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in YAFNET up to 3.1.11 and classified as problematic. This issue affects some unknown processing of the component Signature Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.12 is able to address this issue. The identifier of the patch is a1442a2bacc3335461b44c250e81f8d99c60735f. It is recom

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-02
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: yetanotherforum

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

Am I affected?

Timeline

2023-02-02 15:17 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

yetanotherforum yaf.net UPGRADE

Affected: <= 3.1.11

Fixed in: newer than 3.1.11

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy yaf.net || rpm -q yaf.net || yaf.net --version

2. UPGRADE to newer than 3.1.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade yaf.net

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade yaf.net

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-0650?

yaf.net: upgrade to newer than 3.1.11. Exact commands for each OS are on this page.

Is CVE-2023-0650 being exploited?

CVE-2023-0650 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-2023-0650 affect?

CVE-2023-0650 affects yaf.net. Severity is low (CVSS 3.5). A vulnerability was found in YAFNET up to 3.1.11 and classified as problematic. This issue affects some unknown processing of the component Signature Handler. The manipulation leads to cross site scripting. The attack may be initiated remot

How urgent is CVE-2023-0650?

Priority 30/100. Public exploit reference

Related CVEs

CVE-2023-0549 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, has been found in YAFNET up to 3.1.10

References

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