CVE-2020-7937
Plone cross site scripting (XSS)
CVE-2020-7937 is a medium vulnerability (CVSS 5.4) in Plone, published January 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. Fixed in plone 5.2.2.
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
CVE-2020-7937- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
CVE-2020-7937- Updated
- 2026-11-02
EUVDEUVD-2020-0144 No score
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
EUVD-2020-0144- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8mc4-2xrc-g582
Plone cross site scripting (XSS)
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
GHSA-8mc4-2xrc-g582- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
CVE-2020-7937- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-8mc4-2xrc-g582
Plone cross site scripting (XSS)
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
GHSA-8mc4-2xrc-g582- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVPYSEC-2020-86 No score
An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.
- Record
PYSEC-2020-86- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
plonePyPI |
5.0 to 5.2.1 | None known |
plonePyPI |
5.0 to 5.2.1, plus listed versions 5.0.15.0.105.0.25.0.35.0.4 Show 30 moreShow less5.0.55.0.65.0.75.0.85.0.95.1.05.1.15.1.25.1.35.1.45.1.55.1.65.1.75.1a15.1a25.1b15.1b25.1b35.1b45.1rc15.1rc25.2.05.2a15.2a25.2b15.2rc15.2rc25.2rc35.2rc45.2rc5 |
None known |
plonePyPI |
5.0 up to 5.2.2, plus listed versions 5.0.15.0.105.0.25.0.35.0.4 Show 31 moreShow less5.0.55.0.65.0.75.0.85.0.95.1.05.1.15.1.25.1.35.1.45.1.55.1.65.1.75.1a15.1a25.1b15.1b25.1b35.1b45.1rc15.1rc25.2.05.2.15.2a15.2a25.2b15.2rc15.2rc25.2rc35.2rc45.2rc5 |
5.2.2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
plone.org/security/hotfix/20200121
openwall.com/lists/oss-security/2020/01/22/1
nvd.nist.gov/vuln/detail/CVE-2020-7937
github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-86.yaml