CVE-2026-12228: A stored cross-site scripting (XSS) vulnerability exists in the `POST /api/prompts/share` endpoint of parisneo

Q: How do I fix CVE-2026-12228?

lollms: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-12228 being exploited?

CVE-2026-12228 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-2026-12228 affect?

CVE-2026-12228 affects lollms. Severity is medium (CVSS 5.4). A stored cross-site scripting (XSS) vulnerability exists in the `POST /api/prompts/share` endpoint of parisneo/lollms (latest version). The endpoint stores attacker-controlled `prompt_content` into `DBDirectMessage.content` without server-s

Q: How urgent is CVE-2026-12228?

Priority 30/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2026-12228 is a medium-severity flaw (CVSS 5.4) affecting lollms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross-site scripting (XSS) vulnerability exists in the `POST /api/prompts/share` endpoint of parisneo/lollms (latest version). The endpoint stores attacker-controlled `prompt_content` into `DBDirectMessage.content` without server-side sanitization. When a victim opens the direct message (DM) thread, the message is rendered by the DM UI through `MessageContentRenderer`, which uses `v-html` to insert rendered HTML into the DOM. The fronten

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-18
Last modified	2026-10-24

Publisher (CNA): huntr.dev · Vendor: lollms

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-18 21:17 UTCPublished CVE record published
2026-10-24 20:10 UTCUpdated Record last modified

lollms lollms UPGRADE

Affected: <= 2.1.0

Fixed in: newer than 2.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lollms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lollms

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-2026-12228?

lollms: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Is CVE-2026-12228 being exploited?

CVE-2026-12228 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-2026-12228 affect?

CVE-2026-12228 affects lollms. Severity is medium (CVSS 5.4). A stored cross-site scripting (XSS) vulnerability exists in the `POST /api/prompts/share` endpoint of parisneo/lollms (latest version). The endpoint stores attacker-controlled `prompt_content` into `DBDirectMessage.content` without server-s

How urgent is CVE-2026-12228?

Priority 30/100. Public exploit reference

References

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