CVE-2025-70960: A stored cross-site scripting (XSS) vulnerability in the Forums module of Tendenci CMS v15.3.7 allows attacker

Routine

MEDIUM 5.4DOWNGRADE

CVE-2025-70960 is a medium-severity flaw (CVSS 5.4) affecting tendenci. 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 in the Forums module of Tendenci CMS v15.3.7 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

Why this priority

Public exploit reference

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

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 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tendenci

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

Am I affected?

Timeline

2026-02-02 23:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

tendenci tendenci DOWNGRADE

Affected: 15.3.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.3.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 15.3.7 (Debian / Ubuntu)

apt-cache madison tendenci sudo apt install tendenci=<VERSION_BEFORE_15.3.7> sudo apt-mark hold tendenci

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

dnf --showduplicates list tendenci sudo dnf downgrade tendenci-<VERSION_BEFORE_15.3.7> sudo dnf versionlock add tendenci

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-2025-70960?

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

Is CVE-2025-70960 being exploited?

CVE-2025-70960 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-2025-70960 affect?

CVE-2025-70960 affects tendenci. Severity is medium (CVSS 5.4). A stored cross-site scripting (XSS) vulnerability in the Forums module of Tendenci CMS v15.3.7 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

How urgent is CVE-2025-70960?

Priority 29/100. Public exploit reference

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References

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